[Media Router] Custom Controls 3 - add plumbing through MRUI and MRWebUIMessageHandler

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 3949411d8017577a9bb1f6dcbf7f27590ad778d0..116398cd2e73b6d3aab16177f9cfbf669714f769 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -205,6 +205,13 @@ const base::Feature kMediaRemoting{"MediaRemoting",
                                    base::FEATURE_DISABLED_BY_DEFAULT};
 const base::Feature kMediaRemotingEncrypted{"MediaRemotingEncrypted",
                                             base::FEATURE_DISABLED_BY_DEFAULT};
+
+// Replaces the current route details view in the Media Router dialog provided

[imcheng, 2017/04/22 00:22:51]

I would probably phrase it as:

If enabled, replaces the <extensionview> controller in the route details view of
the Media Router dialog with the controller bundled with the WebUI resources.

[takumif, 2017/04/24 20:59:23]

Done.

+// by the Media Router component extension with one provided by Chromium that
+// does not use <extensionview>.
+const base::Feature kMediaRouterNewRouteController{
+    // TODO: Do FEATURE_DISABLED_BY_DEFAULT instead

[imcheng, 2017/04/22 00:22:51]

Resolve TODO?

[takumif, 2017/04/24 20:59:23]

Done.

+    "MediaRouterNewRouteController", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 // Enables or disables modal permission prompts.