Eliminate WebView::GetDelegate and replace RenderViewSet with a linked list o...

chrome/renderer/extensions/bindings_utils.cc

 // Copyright (c) 2009 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 "chrome/renderer/extensions/bindings_utils.h"
 
 #include "base/string_util.h"
 #include "chrome/renderer/render_view.h"
 #include "webkit/api/public/WebFrame.h"
 
@@ skipping 88 matching lines @@
 RenderView* GetRenderViewForCurrentContext() {
   WebFrame* webframe = WebFrame::frameForCurrentContext();
   DCHECK(webframe) << "RetrieveCurrentFrame called when not in a V8 context.";
   if (!webframe)
     return NULL;
 
   WebView* webview = webframe->view();
   if (!webview)
     return NULL;  // can happen during closing
 
-  RenderView* renderview = static_cast<RenderView*>(webview->GetDelegate());
+  RenderView* renderview = RenderView::FromWebView(webview);
   DCHECK(renderview) << "Encountered a WebView without a WebViewDelegate";
   return renderview;
 }
 
 v8::Handle<v8::Value> CallFunctionInContext(v8::Handle<v8::Context> context,
     const std::string& function_name, int argc,
     v8::Handle<v8::Value>* argv) {
   v8::Context::Scope context_scope(context);
 
   // Look up the function name, which may be a sub-property like
@@ skipping 12 matching lines @@
   }
 
   v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
   if (!function.IsEmpty())
     return function->Call(v8::Object::New(), argc, argv);
 
   return v8::Undefined();
 }
 
 }  // namespace bindings_utils