Move compositor InputHandler from RenderViewImpl to RenderWidget.

third_party/WebKit/Source/core/loader/FrameLoader.cpp

Index: third_party/WebKit/Source/core/loader/FrameLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameLoader.cpp b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
index e664eb27cae54417d51390f29bb50218095ea927..4dac60cb81de6e79c8a5f65bfae11128736f62f2 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -1343,14 +1343,19 @@ void FrameLoader::commitProvisionalLoad() {
   if (!prepareForCommit())
     return;
 
-  if (isLoadingMainFrame()) {
+  // If we are loading the mainframe, or a frame that is a local root, it is
+  // important to explicitly set the event listenener properties to Nothing as
+  // this triggers notificatins to the client.
+  if ((isLoadingMainFrame() && m_frame->page()->mainFrame()->isLocalFrame()) ||

[dcheng, 2017/01/16 11:05:40]

This condition can be simplified into m_frame->isLocalRoot(), as being a main
frame implies being a local root.

[wjmaclean, 2017/01/17 18:23:27]

Done.

+      m_frame->isLocalRoot()) {
     m_frame->page()->chromeClient().setEventListenerProperties(
-        WebEventListenerClass::TouchStartOrMove,
+        m_frame, WebEventListenerClass::TouchStartOrMove,
         WebEventListenerProperties::Nothing);
     m_frame->page()->chromeClient().setEventListenerProperties(
-        WebEventListenerClass::MouseWheel, WebEventListenerProperties::Nothing);
+        m_frame, WebEventListenerClass::MouseWheel,
+        WebEventListenerProperties::Nothing);
     m_frame->page()->chromeClient().setEventListenerProperties(
-        WebEventListenerClass::TouchEndOrCancel,
+        m_frame, WebEventListenerClass::TouchEndOrCancel,
         WebEventListenerProperties::Nothing);
   }