chrome/blink: Add functionality for in-product help for media elements.

third_party/WebKit/Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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.
@@ skipping 803 matching lines @@
 
 WebLocalFrameBase* ChromeClientImpl::GetWebLocalFrameBase(LocalFrame* frame) {
   return WebLocalFrameImpl::FromFrame(frame);
 }
 
 WebRemoteFrameBase* ChromeClientImpl::GetWebRemoteFrameBase(
     RemoteFrame& frame) {
   return WebRemoteFrameImpl::FromFrame(frame);
 }
 
+std::unique_ptr<WebMediaIPH> ChromeClientImpl::CreateWebMediaIPH(
+    LocalFrame* frame) {
+  return WebLocalFrameImpl::FromFrame(frame)->Client()->CreateMediaIPH();
+}
+
 void ChromeClientImpl::RequestDecode(
     LocalFrame* frame,
     const PaintImage& image,
     std::unique_ptr<WTF::Function<void(bool)>> callback) {
   WebLocalFrameImpl* web_frame = WebLocalFrameImpl::FromFrame(frame);
   web_frame->LocalRoot()->FrameWidget()->RequestDecode(image,
                                                        std::move(callback));
 }
 
 void ChromeClientImpl::SetEventListenerProperties(
@@ skipping 277 matching lines @@
 std::unique_ptr<WebFrameScheduler> ChromeClientImpl::CreateFrameScheduler(
     BlameContext* blame_context) {
   return web_view_->Scheduler()->CreateFrameScheduler(blame_context);
 }
 
 double ChromeClientImpl::LastFrameTimeMonotonic() const {
   return web_view_->LastFrameTimeMonotonic();
 }
 
 }  // namespace blink