Roll chromium_revision e99453b..4598ddc (358523:358535)

Change log: https://chromium.googlesource.com/chromium/src/+log/e99453b..4598ddc
Full diff: https://chromium.googlesource.com/chromium/src/+/e99453b..4598ddc

Changed dependencies:
* src/third_party/libvpx_new/source/libvpx: https://chromium.googlesource.com/webm/libvpx.git/+log/c664170..eba14dd
DEPS diff: https://chromium.googlesource.com/chromium/src/+/e99453b..4598ddc/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/1412423014

Cr-Commit-Position: refs/heads/master@{#10552}
diff --git a/DEPS b/DEPS
index 486b107..4462adc 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': 'e99453bd606cfba6902d82d1e363826d21b0c6a8',
+  'chromium_revision': '4598ddcef9994c9c400624bba1718a23a14cd775',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than