Roll chromium_revision 2638d7649b..2bc032e864 (731908:732049)

Change log: https://chromium.googlesource.com/chromium/src/+log/2638d7649b..2bc032e864
Full diff: https://chromium.googlesource.com/chromium/src/+/2638d7649b..2bc032e864

Changed dependency
* src/third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/b9bb682ff6..6a138fbe7c
DEPS diff: https://chromium.googlesource.com/chromium/src/+/2638d7649b..2bc032e864/DEPS

No update to Clang.

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

Change-Id: I2fc72b57cb14f1e1b32a3f969fea3c29a97a624e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/166183
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@{#30272}
diff --git a/DEPS b/DEPS
index 141717e..e751f30 100644
--- a/DEPS
+++ b/DEPS
@@ -5,7 +5,7 @@
   # chromium waterfalls. More info at: crbug.com/570091.
   'checkout_configuration': 'default',
   'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
-  'chromium_revision': '2638d7649b8cd2f4c4a19ddabf28de040ad103a7',
+  'chromium_revision': '2bc032e8643cc74b612ed0c3d469229a48816edf',
 }
 
 deps = {
@@ -107,7 +107,7 @@
   'src/third_party/boringssl/src':
     'https://boringssl.googlesource.com/boringssl.git@cb3f04f584a53844546aaa32e949534c453185aa',
   'src/third_party/catapult':
-    'https://chromium.googlesource.com/catapult.git@b9bb682ff61f0cc07227809b0f1c4ee8b6b5d56d',
+    'https://chromium.googlesource.com/catapult.git@6a138fbe7ca9a5b29dee5225c2a27e40efd723af',
   'src/third_party/ced/src': {
     'url': 'https://chromium.googlesource.com/external/github.com/google/compact_enc_det.git@ba412eaaacd3186085babcd901679a48863c7dd5',
     'condition': 'checkout_android',