Add a mojo channel for frame messages.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 7e5f3f3f2f3cfb01f5324eca558e9f683e4eefd2..3a017027090a17419dbed4898e6ff7d0787665a7 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -632,6 +632,9 @@ const char kMHTMLGeneratorOption[]          = "mhtml-generator-option";
 const char kMHTMLSkipNostoreMain[]          = "skip-nostore-main";
 const char kMHTMLSkipNostoreAll[]           = "skip-nostore-all";
 
+// Use Mojo-based Input Event routing.
+const char kMojoInputMessages[] = "mojo-input-messages";

[Avi (use Gerrit), 2017/05/26 16:08:40]

Indent before "=" to match everything else.

[dtapuska, 2017/05/26 16:25:24]

Done.

+
 // Use a Mojo-based LocalStorage implementation.
 const char kMojoLocalStorage[]              = "mojo-local-storage";