Move compositor thread input handling logic into content

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index cc854218ea1257e59cf8c0cb1c0643bc583abedf..dc5a923125c1755b520c0835501f71b9a0353dec 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2608,9 +2608,12 @@ void RenderViewImpl::didActivateCompositor(int input_handler_identifier) {
 #if !defined(OS_MACOSX)  // many events are unhandled - http://crbug.com/138003
   InputHandlerManager* input_handler_manager =
       RenderThreadImpl::current()->input_handler_manager();
-  if (input_handler_manager)
-    input_handler_manager->AddInputHandler(
-        routing_id_, input_handler_identifier, AsWeakPtr());
+  if (input_handler_manager) {
+     input_handler_manager->AddInputHandler(
+        routing_id_,
+        compositor_->GetInputHandler(),
+        AsWeakPtr());
+  }
 #endif
 
   RenderWidget::didActivateCompositor(input_handler_identifier);