Roll chromium_revision 1d52d174cb..47dc8e2f50 (911982:912091)

Change log: https://chromium.googlesource.com/chromium/src/+log/1d52d174cb..47dc8e2f50
Full diff: https://chromium.googlesource.com/chromium/src/+/1d52d174cb..47dc8e2f50

Changed dependencies
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/61ff3869c9..959457e3f3
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/35bad7cc93..6a9bd7348f
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/33834b4245..c0ea7c3386
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/7d67c07a43..56c558ed2e
* src/third_party/androidx: wapweqY3T9FEHpjaWRsHugloyn-WT9pGg45FvDUjXwUC..v5A41FDtUTUgWmjkgJS42X4yMcKx2zbPp8fWod32rhsC
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/0e936433d9..b54abb9ed0
DEPS diff: https://chromium.googlesource.com/chromium/src/+/1d52d174cb..47dc8e2f50/DEPS

No update to Clang.

TBR=chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com,
BUG=None

Change-Id: I365cef193e5e8b45ab5c1d05c5a0333eef529403
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228861
Reviewed-by: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Commit-Queue: Autoroller <chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#34764}
diff --git a/DEPS b/DEPS
index 948da39..5214f53 100644
--- a/DEPS
+++ b/DEPS
@@ -10,7 +10,7 @@
   # chromium waterfalls. More info at: crbug.com/570091.
   'checkout_configuration': 'default',
   'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
-  'chromium_revision': '1d52d174cbecb65839bb1f0c3a13ae1aaa9f644f',
+  'chromium_revision': '47dc8e2f50905296eced9785e31f789e94566411',
 
   # Keep the Chromium default of generating location tags.
   'generate_location_tags': True,
@@ -20,7 +20,7 @@
   # TODO(kjellander): Move this to be Android-only once the libevent dependency
   # in base/third_party/libevent is solved.
   'src/base':
-    'https://chromium.googlesource.com/chromium/src/base@61ff3869c9363168fd94672e9bda10118214a3d3',
+    'https://chromium.googlesource.com/chromium/src/base@959457e3f31eab83df1bd564e50a00f754f5b104',
   'src/build':
     'https://chromium.googlesource.com/chromium/src/build@a0d51919febe3ff89d4508b355289305d5084e85',
   'src/buildtools':
@@ -31,13 +31,13 @@
     'condition': 'checkout_android',
   },
   'src/ios': {
-    'url': 'https://chromium.googlesource.com/chromium/src/ios@35bad7cc934e79df26d21e4e98d8c464db0d3ebc',
+    'url': 'https://chromium.googlesource.com/chromium/src/ios@6a9bd7348fa67b4ca37fdf7615fc04977d812f0b',
     'condition': 'checkout_ios',
   },
   'src/testing':
-    'https://chromium.googlesource.com/chromium/src/testing@33834b424584e41b24d9d3b3487cfda33c1ca7f2',
+    'https://chromium.googlesource.com/chromium/src/testing@c0ea7c3386c7e281a6cdca3ec4e6e56258a3e944',
   'src/third_party':
-    'https://chromium.googlesource.com/chromium/src/third_party@7d67c07a43336a6d67cf05e15146933b23c84bb8',
+    'https://chromium.googlesource.com/chromium/src/third_party@56c558ed2ef83fa75fbbbd1dc61a85747a71cab5',
 
   'src/buildtools/linux64': {
     'packages': [
@@ -271,7 +271,7 @@
     'condition': 'checkout_win',
   },
   'src/tools':
-    'https://chromium.googlesource.com/chromium/src/tools@0e936433d9f28884d3c1ed437e54f7c4022b4a41',
+    'https://chromium.googlesource.com/chromium/src/tools@b54abb9ed01b4f9e3a2c5b71fc577db619ecb972',
   'src/tools/swarming_client':
     'https://chromium.googlesource.com/infra/luci/client-py.git@a32a1607f6093d338f756c7e7c7b4333b0c50c9c',
 
@@ -372,7 +372,7 @@
     'packages': [
       {
           'package': 'chromium/third_party/androidx',
-          'version': 'wapweqY3T9FEHpjaWRsHugloyn-WT9pGg45FvDUjXwUC',
+          'version': 'v5A41FDtUTUgWmjkgJS42X4yMcKx2zbPp8fWod32rhsC',
       },
     ],
     'condition': 'checkout_android',