Make UseCounter take a LocaFrame instead of any Frame

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 4013 matching lines @@
 
   elastic_overscroll_ += elastic_overscroll_delta;
 
   if (MainFrameImpl() && MainFrameImpl()->GetFrameView())
     MainFrameImpl()->GetFrameView()->DidUpdateElasticOverscroll();
 }
 
 void WebViewImpl::RecordWheelAndTouchScrollingCount(
     bool has_scrolled_by_wheel,
     bool has_scrolled_by_touch) {
-  if (!GetPage() || !GetPage()->MainFrame())
+  if (!MainFrameImpl())
     return;
 
   if (has_scrolled_by_wheel)
-    UseCounter::Count(GetPage()->MainFrame(), UseCounter::kScrollByWheel);
+    UseCounter::Count(MainFrameImpl()->GetFrame(), UseCounter::kScrollByWheel);
   if (has_scrolled_by_touch)
-    UseCounter::Count(GetPage()->MainFrame(), UseCounter::kScrollByTouch);
+    UseCounter::Count(MainFrameImpl()->GetFrame(), UseCounter::kScrollByTouch);
 }
 
 void WebViewImpl::UpdateLayerTreeViewport() {
   if (!GetPage() || !layer_tree_view_)
     return;
 
   layer_tree_view_->SetPageScaleFactorAndLimits(
       PageScaleFactor(), MinimumPageScaleFactor(), MaximumPageScaleFactor());
 }
 
@@ skipping 106 matching lines @@
   if (focused_frame->LocalFrameRoot() != MainFrameImpl()->GetFrame())
     return nullptr;
   return focused_frame;
 }
 
 LocalFrame* WebViewImpl::FocusedLocalFrameAvailableForIme() const {
   return ime_accept_events_ ? FocusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink