Unstrangle unhandled key event callback for webview

content/browser/renderer_host/render_widget_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 1949 matching lines @@
 
 #if defined(OS_MACOSX)
   if (!is_hidden() && view_ && view_->PostProcessEventForPluginIme(event.event))
     return;
 #endif
 
   // We only send unprocessed key event upwards if we are not hidden,
   // because the user has moved away from us and no longer expect any effect
   // of this key event.
   const bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result);
-  if (delegate_ && !processed && !is_hidden() && !event.event.skip_in_browser) {
+  const bool is_composition_key = event.event.nativeKeyCode == 229;
+  if (delegate_ && !processed && !is_hidden() && !event.event.skip_in_browser
+      && !is_composition_key) {
+    LOG(ERROR) << "XXX OnKeyboardEventAck: UnhandledKeyEvent";
     delegate_->HandleKeyboardEvent(event.event);
 
     // WARNING: This RenderWidgetHostImpl can be deallocated at this point
     // (i.e.  in the case of Ctrl+W, where the call to
     // HandleKeyboardEvent destroys this RenderWidgetHostImpl).
   }
 }
 
 void RenderWidgetHostImpl::OnMouseEventAck(
     const MouseEventWithLatencyInfo& mouse_event,
@@ skipping 257 matching lines @@
 }
 
 #if defined(OS_WIN)
 gfx::NativeViewAccessible
     RenderWidgetHostImpl::GetParentNativeViewAccessible() {
   return delegate_ ? delegate_->GetParentNativeViewAccessible() : NULL;
 }
 #endif
 
 }  // namespace content