Use new fileutil functions for trace in ACM

I this CL I have changed to use filutil functions in the ACM tests. I have also reformated the file Tester.cc, and fixe one minor bug in TestAllCodecs.cc.

BUG=issue195
TEST=audio_coding_module_test

Review URL: https://webrtc-codereview.appspot.com/636006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2394 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/src/modules/audio_coding/main/test/EncodeDecodeTest.cc b/src/modules/audio_coding/main/test/EncodeDecodeTest.cc
index 06aa743..98c01fd 100644
--- a/src/modules/audio_coding/main/test/EncodeDecodeTest.cc
+++ b/src/modules/audio_coding/main/test/EncodeDecodeTest.cc
@@ -13,12 +13,14 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <string>
+
+#include "gtest/gtest.h"
 
 #include "audio_coding_module.h"
 #include "common_types.h"
-#include "gtest/gtest.h"
-#include "trace.h"
 #include "testsupport/fileutils.h"
+#include "trace.h"
 #include "utility.h"
 
 namespace webrtc {
@@ -270,7 +272,8 @@
 EncodeDecodeTest::EncodeDecodeTest() {
   _testMode = 2;
   Trace::CreateTrace();
-  Trace::SetTraceFile("acm_encdec_test.txt");
+  Trace::SetTraceFile((webrtc::test::OutputPath() +
+      "acm_encdec_trace.txt").c_str());
 }
 
 EncodeDecodeTest::EncodeDecodeTest(int testMode) {
@@ -280,7 +283,8 @@
  _testMode = testMode;
  if(_testMode != 0) {
    Trace::CreateTrace();
-   Trace::SetTraceFile("acm_encdec_test.txt");
+   Trace::SetTraceFile((webrtc::test::OutputPath() +
+       "acm_encdec_trace.txt").c_str());
  }
 }