Make input event forwarding work in --site-per-process.

Source/core/page/ChromeClient.h

Index: Source/core/page/ChromeClient.h
diff --git a/Source/core/page/ChromeClient.h b/Source/core/page/ChromeClient.h
index 0e65f936d78a655b587fbd93f0a2f330a8dee34f..90e5b929c544f3865e0f2724a7ba9b1a3a697fb3 100644
--- a/Source/core/page/ChromeClient.h
+++ b/Source/core/page/ChromeClient.h
@@ -64,6 +64,7 @@ class PagePopup;
 class PagePopupClient;
 class PagePopupDriver;
 class PopupMenuClient;
+class RemoteFrame;
 
 struct CompositedSelectionBound;
 struct DateTimeChooserParameters;
@@ -227,7 +228,7 @@ public:
 
     // FIXME: Remove this method once we have input routing in the browser
     // process. See http://crbug.com/339659.
-    virtual void forwardInputEvent(blink::Frame*, blink::Event*) { }
+    virtual void forwardInputEvent(RemoteFrame*, Event*) { }

[Nate Chapin, 2014/10/10 20:37:06]

Is the FIXME accurate? If not, I'm interested in discussing why this lives on
ChromeClient instead of RemoteFrameClient, but if this will go away soon, it
doesn't matter.

 
     // Input mehtod editor related functions.
     virtual void didCancelCompositionOnSelectionChange() { }