Move IME related functions from WebFrame to WebLocalFrame

third_party/WebKit/Source/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 779 matching lines @@
 {
     if (LocalFrame* frame = focusedFrame())
         return frame;
 
     // FIXME: This is a temporary hack to ensure that we return a LocalFrame, even when the mainFrame is remote.
     // FocusController needs to be refactored to deal with RemoteFrames cross-process focus transfers.
     for (Frame* frame = m_page->mainFrame()->tree().top(); frame; frame = frame->tree().traverseNext()) {
         if (frame->isLocalRoot())
             return frame;
     }
 

[yabinh, 2016/06/22 13:34:50]

Sometimes it returns a remote frame.
In the build:
https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium...
many tests failed because of that.
Here is one of those tests:
WebViewInteractiveTests_WebViewNewWindowInteractiveTest.NewWindow_Close_0
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Ftryserver.chromium.linux...

+    LOG(ERROR) << "hyb: m_page->mainFrame()->isRemoteFrame() = " << m_page->mainFrame()->isRemoteFrame();
     return m_page->mainFrame();
 }
 
 HTMLFrameOwnerElement* FocusController::focusedFrameOwnerElement(LocalFrame& currentFrame) const
 {
     Frame* focusedFrame = m_focusedFrame.get();
     for (; focusedFrame; focusedFrame = focusedFrame->tree().parent()) {
         if (focusedFrame->tree().parent() == &currentFrame) {
             DCHECK(focusedFrame->owner()->isLocal());
             return focusedFrame->deprecatedLocalOwner();
@@ skipping 497 matching lines @@
     return consumed;
 }
 
 DEFINE_TRACE(FocusController)
 {
     visitor->trace(m_page);
     visitor->trace(m_focusedFrame);
 }
 
 } // namespace blink