Nuked WebFrameImplBase.

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 852 matching lines @@
 }
 
 v8::Local<v8::Context> WebLocalFrameImpl::MainWorldScriptContext() const {
   ScriptState* script_state = ToScriptStateForMainWorld(GetFrame());
   DCHECK(script_state);
   return script_state->GetContext();
 }
 
 bool WebFrame::ScriptCanAccess(WebFrame* target) {
   return BindingSecurity::ShouldAllowAccessToFrame(
-      CurrentDOMWindow(MainThreadIsolate()), target->ToImplBase()->GetFrame(),
+      CurrentDOMWindow(MainThreadIsolate()), WebFrame::CoreFrame(target),

[dcheng, 2017/04/26 11:45:34]

Is it possible to omit WebFrame:: here?

[mustaq, 2017/04/26 18:12:48]

Done.

       BindingSecurity::ErrorReportOption::kDoNotReport);
 }
 
 void WebLocalFrameImpl::Reload(WebFrameLoadType load_type) {
   // TODO(clamy): Remove this function once RenderFrame calls load for all
   // requests.
   ReloadWithOverrideURL(KURL(), load_type);
 }
 
 void WebLocalFrameImpl::ReloadWithOverrideURL(const WebURL& override_url,
@@ skipping 659 matching lines @@
 
 WebLocalFrameImpl* WebLocalFrameImpl::CreateProvisional(
     WebFrameClient* client,
     blink::InterfaceProvider* interface_provider,
     blink::InterfaceRegistry* interface_registry,
     WebRemoteFrame* old_web_frame,
     WebSandboxFlags flags) {
   DCHECK(client);
   WebLocalFrameImpl* web_frame = new WebLocalFrameImpl(
       old_web_frame, client, interface_provider, interface_registry);
-  Frame* old_frame = old_web_frame->ToImplBase()->GetFrame();
+  Frame* old_frame = ToWebRemoteFrameImpl(old_web_frame)->GetFrame();
   web_frame->SetParent(old_web_frame->Parent());
   web_frame->SetOpener(old_web_frame->Opener());
   // Note: this *always* temporarily sets a frame owner, even for main frames!
   // When a core Frame is created with no owner, it attempts to set itself as
   // the main frame of the Page. However, this is a provisional frame, and may
   // disappear, so Page::m_mainFrame can't be updated just yet.
   FrameOwner* temp_owner = DummyFrameOwner::Create();
   // TODO(dcheng): This block is very similar to initializeCoreFrame. Try to
   // reuse it here.
   LocalFrame* frame = LocalFrame::Create(
@@ skipping 57 matching lines @@
 
 DEFINE_TRACE(WebLocalFrameImpl) {
   visitor->Trace(local_frame_client_impl_);
   visitor->Trace(frame_);
   visitor->Trace(dev_tools_agent_);
   visitor->Trace(text_finder_);
   visitor->Trace(print_context_);
   visitor->Trace(context_menu_node_);
   visitor->Trace(text_checker_client_);
   WebFrame::TraceFrames(visitor, this);
-  WebFrameImplBase::Trace(visitor);
 }
 
 void WebLocalFrameImpl::SetCoreFrame(LocalFrame* frame) {
   frame_ = frame;
 }
 
 void WebLocalFrameImpl::InitializeCoreFrame(Page& page,
                                             FrameOwner* owner,
                                             const AtomicString& name) {
   SetCoreFrame(LocalFrame::Create(local_frame_client_impl_.Get(), page, owner,
@@ skipping 933 matching lines @@
 TextCheckerClient& WebLocalFrameImpl::GetTextCheckerClient() const {
   return *text_checker_client_;
 }
 
 void WebLocalFrameImpl::SetTextCheckClient(
     WebTextCheckClient* text_check_client) {
   text_check_client_ = text_check_client;
 }
 
 }  // namespace blink