DevTools: patch browser's Chrome version into Chrome user agents for emulation

third_party/WebKit/Source/devtools/front_end/CurrentBrowserVersion.js

Index: third_party/WebKit/Source/devtools/front_end/CurrentBrowserVersion.js
diff --git a/cc/ipc/render_pass_id.mojom b/third_party/WebKit/Source/devtools/front_end/CurrentBrowserVersion.js
similarity index 57%
copy from cc/ipc/render_pass_id.mojom
copy to third_party/WebKit/Source/devtools/front_end/CurrentBrowserVersion.js
index 90eee184925025d5d948c49e6af692ec5ec2a04e..c524cdb966635335c3cc1b796e0a1dfafeffa147 100644
--- a/cc/ipc/render_pass_id.mojom
+++ b/third_party/WebKit/Source/devtools/front_end/CurrentBrowserVersion.js
@@ -2,9 +2,5 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-module cc.mojom;
-
-struct RenderPassId {
-  int32 layer_id;
-  uint32 index;
-};
+// This default value is intended to be overridden at build time.
+WebInspector.BrowserVersionInfo.Version = "54.0.2834.0";