Skeleton of sync handler on the I/O thread for GetSearchProviderInstallState.

chrome/renderer/external_extension.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/external_extension.h"
 
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/renderer/render_view.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
@@ skipping 106 matching lines @@
 v8::Handle<v8::Value> ExternalExtensionWrapper::IsSearchProviderInstalled(
     const v8::Arguments& args) {
   if (!args.Length()) return v8::Undefined();
 
   std::string name = std::string(*v8::String::Utf8Value(args[0]));
   if (!name.length()) return v8::Undefined();
 
   RenderView* render_view = GetRenderView();
   if (!render_view) return v8::Undefined();
 
+  WebFrame* webframe = WebFrame::frameForEnteredContext();
+  if (!webframe) return v8::Undefined();
+
   ViewHostMsg_GetSearchProviderInstallState_Params install
-      = render_view->GetSearchProviderInstallState(name);
+      = render_view->GetSearchProviderInstallState(webframe, name);
   if (install.state ==
       ViewHostMsg_GetSearchProviderInstallState_Params::DENIED) {
     // FIXME: throw access denied exception.
     return v8::ThrowException(v8::Exception::Error(v8::String::Empty()));
   }
   return v8::Integer::New(install.state);
 }
 
 v8::Extension* ExternalExtension::Get() {
   return new ExternalExtensionWrapper();
 }
 
 }  // namespace extensions_v8