Revert of 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 24a3de0448d89de15982ca00c20cb04bc10d9624..1668aa80c56fac17ba9a3b6a9fe03e8523409b54 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -1343,20 +1343,14 @@
   if (!prepareForCommit())
     return;
 
-  // 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 notifications to the client. Clients may assume the presence
-  // of handlers for touch and wheel events, so these notifications tell it
-  // there are (presently) no handlers.
-  if (m_frame->isLocalRoot()) {
+  if (isLoadingMainFrame()) {
     m_frame->page()->chromeClient().setEventListenerProperties(
-        m_frame, WebEventListenerClass::TouchStartOrMove,
+        WebEventListenerClass::TouchStartOrMove,
         WebEventListenerProperties::Nothing);
     m_frame->page()->chromeClient().setEventListenerProperties(
-        m_frame, WebEventListenerClass::MouseWheel,
-        WebEventListenerProperties::Nothing);
+        WebEventListenerClass::MouseWheel, WebEventListenerProperties::Nothing);
     m_frame->page()->chromeClient().setEventListenerProperties(
-        m_frame, WebEventListenerClass::TouchEndOrCancel,
+        WebEventListenerClass::TouchEndOrCancel,
         WebEventListenerProperties::Nothing);
   }