Cleanup use of "do { ... } while (0)".

BUG=

Review URL: https://codereview.webrtc.org/1530003004

Cr-Commit-Position: refs/heads/master@{#11061}
diff --git a/webrtc/base/gunit.h b/webrtc/base/gunit.h
index e008678..1a6c363 100644
--- a/webrtc/base/gunit.h
+++ b/webrtc/base/gunit.h
@@ -35,7 +35,7 @@
       rtc::Thread::Current()->ProcessMessages(1);   \
       res = (ex);                                   \
     }                                               \
-  } while (0);
+  } while (0)
 
 // The typical EXPECT_XXXX and ASSERT_XXXXs, but done until true or a timeout.
 #define EXPECT_TRUE_WAIT(ex, timeout) \
@@ -43,28 +43,28 @@
     bool res; \
     WAIT_(ex, timeout, res); \
     if (!res) EXPECT_TRUE(ex); \
-  } while (0);
+  } while (0)
 
 #define EXPECT_EQ_WAIT(v1, v2, timeout) \
   do { \
     bool res; \
     WAIT_(v1 == v2, timeout, res); \
     if (!res) EXPECT_EQ(v1, v2); \
-  } while (0);
+  } while (0)
 
 #define ASSERT_TRUE_WAIT(ex, timeout) \
   do { \
     bool res; \
     WAIT_(ex, timeout, res); \
     if (!res) ASSERT_TRUE(ex); \
-  } while (0);
+  } while (0)
 
 #define ASSERT_EQ_WAIT(v1, v2, timeout) \
   do { \
     bool res; \
     WAIT_(v1 == v2, timeout, res); \
     if (!res) ASSERT_EQ(v1, v2); \
-  } while (0);
+  } while (0)
 
 // Version with a "soft" timeout and a margin. This logs if the timeout is
 // exceeded, but it only fails if the expression still isn't true after the
@@ -82,6 +82,6 @@
     if (!res) { \
       EXPECT_TRUE(ex); \
     } \
-  } while (0);
+  } while (0)
 
 #endif  // WEBRTC_BASE_GUNIT_H_
diff --git a/webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h b/webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h
index 4115d30..cc7807b 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h
+++ b/webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h
@@ -130,12 +130,12 @@
 #define BWE_TEST_LOGGING_GLOBAL_CONTEXT(name) \
     do { \
       webrtc::testing::bwe::Logging::GetInstance()->SetGlobalContext(name); \
-    } while (0);
+    } while (0)
 
 #define BWE_TEST_LOGGING_GLOBAL_ENABLE(enabled) \
     do { \
       webrtc::testing::bwe::Logging::GetInstance()->SetGlobalEnable(enabled); \
-    } while (0);
+    } while (0)
 
 #define __BWE_TEST_LOGGING_CONTEXT_NAME(ctx, line) ctx ## line
 #define __BWE_TEST_LOGGING_CONTEXT_DECLARE(ctx, line, name, time, enabled) \
@@ -155,36 +155,36 @@
     do { \
       BWE_TEST_LOGGING_CONTEXT(name); \
       webrtc::testing::bwe::Logging::GetInstance()->Log(format, _1); \
-    } while (0);
+    } while (0)
 #define BWE_TEST_LOGGING_LOG2(name, format, _1, _2) \
     do { \
       BWE_TEST_LOGGING_CONTEXT(name); \
       webrtc::testing::bwe::Logging::GetInstance()->Log(format, _1, _2); \
-    } while (0);
+    } while (0)
 #define BWE_TEST_LOGGING_LOG3(name, format, _1, _2, _3) \
     do { \
       BWE_TEST_LOGGING_CONTEXT(name); \
       webrtc::testing::bwe::Logging::GetInstance()->Log(format, _1, _2, _3); \
-    } while (0);
+    } while (0)
 #define BWE_TEST_LOGGING_LOG4(name, format, _1, _2, _3, _4) \
     do { \
       BWE_TEST_LOGGING_CONTEXT(name); \
       webrtc::testing::bwe::Logging::GetInstance()->Log(format, _1, _2, _3, \
                                                         _4); \
-    } while (0);
+    } while (0)
 #define BWE_TEST_LOGGING_LOG5(name, format, _1, _2, _3, _4, _5) \
     do {\
       BWE_TEST_LOGGING_CONTEXT(name); \
       webrtc::testing::bwe::Logging::GetInstance()->Log(format, _1, _2, _3, \
                                                         _4, _5); \
-    } while (0);
+    } while (0)
 
 #define BWE_TEST_LOGGING_PLOT(figure, name, time, value)                  \
   do {                                                                    \
     __BWE_TEST_LOGGING_CONTEXT_DECLARE(__bwe_log_, __PLOT__, name,        \
                                        static_cast<int64_t>(time), true); \
     webrtc::testing::bwe::Logging::GetInstance()->Plot(figure, value);    \
-  } while (0);
+  } while (0)
 
 #define BWE_TEST_LOGGING_PLOT_WITH_NAME(figure, name, time, value, alg_name) \
   do {                                                                       \
@@ -192,21 +192,21 @@
                                        static_cast<int64_t>(time), true);    \
     webrtc::testing::bwe::Logging::GetInstance()->Plot(figure, value,        \
                                                        alg_name);            \
-  } while (0);
+  } while (0)
 
 #define BWE_TEST_LOGGING_BAR(figure, name, value, flow_id)                     \
   do {                                                                         \
     BWE_TEST_LOGGING_CONTEXT(name);                                            \
     webrtc::testing::bwe::Logging::GetInstance()->PlotBar(figure, name, value, \
                                                           flow_id);            \
-  } while (0);
+  } while (0)
 
 #define BWE_TEST_LOGGING_BASELINEBAR(figure, name, value, flow_id) \
   do {                                                             \
     BWE_TEST_LOGGING_CONTEXT(name);                                \
     webrtc::testing::bwe::Logging::GetInstance()->PlotBaselineBar( \
         figure, name, value, flow_id);                             \
-  } while (0);
+  } while (0)
 
 #define BWE_TEST_LOGGING_ERRORBAR(figure, name, value, ylow, yhigh, title, \
                                   flow_id)                                 \
@@ -214,7 +214,7 @@
     BWE_TEST_LOGGING_CONTEXT(name);                                        \
     webrtc::testing::bwe::Logging::GetInstance()->PlotErrorBar(            \
         figure, name, value, ylow, yhigh, title, flow_id);                 \
-  } while (0);
+  } while (0)
 
 #define BWE_TEST_LOGGING_LIMITERRORBAR(                                        \
     figure, name, value, ylow, yhigh, error_title, ymax, limit_title, flow_id) \
@@ -223,14 +223,14 @@
     webrtc::testing::bwe::Logging::GetInstance()->PlotLimitErrorBar(           \
         figure, name, value, ylow, yhigh, error_title, ymax, limit_title,      \
         flow_id);                                                              \
-  } while (0);
+  } while (0)
 
 #define BWE_TEST_LOGGING_LABEL(figure, title, y_label, num_flows) \
   do {                                                            \
     BWE_TEST_LOGGING_CONTEXT(title);                              \
     webrtc::testing::bwe::Logging::GetInstance()->PlotLabel(      \
         figure, title, y_label, num_flows);                       \
-  } while (0);
+  } while (0)
 
 namespace webrtc {
 
diff --git a/webrtc/modules/video_capture/test/video_capture_unittest.cc b/webrtc/modules/video_capture/test/video_capture_unittest.cc
index b56a05f..1bd0684 100644
--- a/webrtc/modules/video_capture/test/video_capture_unittest.cc
+++ b/webrtc/modules/video_capture/test/video_capture_unittest.cc
@@ -47,14 +47,14 @@
       SleepMs(5); \
       res = (ex); \
     } \
-  } while (0);\
+  } while (0)
 
 #define EXPECT_TRUE_WAIT(ex, timeout) \
   do { \
     bool res; \
     WAIT_(ex, timeout, res); \
     if (!res) EXPECT_TRUE(ex); \
-  } while (0);
+  } while (0)
 
 
 static const int kTimeOut = 5000;
diff --git a/webrtc/p2p/base/p2ptransportchannel_unittest.cc b/webrtc/p2p/base/p2ptransportchannel_unittest.cc
index 8f06f1c..9f40c46f 100644
--- a/webrtc/p2p/base/p2ptransportchannel_unittest.cc
+++ b/webrtc/p2p/base/p2ptransportchannel_unittest.cc
@@ -1975,7 +1975,7 @@
 
   conn1->ReceivedPing();
   conn1->OnReadPacket("ABC", 3, rtc::CreatePacketTime(0));
-  EXPECT_TRUE_WAIT(ch.best_connection() != nullptr, 1000)
+  EXPECT_TRUE_WAIT(ch.best_connection() != nullptr, 1000);
   EXPECT_TRUE_WAIT(ch.receiving(), 1000);
   EXPECT_TRUE_WAIT(!ch.receiving(), 1000);
 }