Roll chromium_revision 01cbe8a..9a72f7c (355025:355218)

Change log: https://chromium.googlesource.com/chromium/src/+log/01cbe8a..9a72f7c
Full diff: https://chromium.googlesource.com/chromium/src/+/01cbe8a..9a72f7c

Changed dependencies:
* src/third_party/libvpx_new/source/libvpx: https://chromium.googlesource.com/webm/libvpx.git/+log/66bf686..b44c5cf
* src/tools/gyp: https://chromium.googlesource.com/external/gyp.git/+log/01528c7..3f21260
* src/tools/swarming_client: https://chromium.googlesource.com/external/swarming.client.git/+log/3db8780..b64f042
DEPS diff: https://chromium.googlesource.com/chromium/src/+/01cbe8a..9a72f7c/DEPS

No update to Clang.

TBR=marpan@webrtc.org, stefan@webrtc.org,
CQ_EXTRA_TRYBOTS=tryserver.webrtc:win_baremetal,mac_baremetal,linux_baremetal

Review URL: https://codereview.webrtc.org/1407363003

Cr-Commit-Position: refs/heads/master@{#10348}
diff --git a/DEPS b/DEPS
index d8e09bd..2e7349b 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '01cbe8a131bb12ff6db4a201b20cf7241d2c62af',
+  'chromium_revision': '9a72f7ca718dd0614db12f89b14044e62d6e2442',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than