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 23c0121c422682de09655ce209a4a58600b7aa4c..34922199cabdb527ad8fd6108156a2dd9d779e2c 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -1325,13 +1325,18 @@ void FrameLoader::commitProvisionalLoad() {
     return;
 
   if (isLoadingMainFrame()) {
+    // TODO(wjmaclean): Instead of passing |m_frame| here we pass nullptr
+    // instead so the properties will be set on the WebView. We do this since,
+    // while we are loading, the WebFrameWidget for m_frame may not yet
+    // be available.
     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);
   }