Switch DomAutomationController to be a RenderFrameObserver.

chrome/test/base/javascript_test_observer.cc

 // Copyright (c) 2011 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/test/base/javascript_test_observer.h"
 
 #include "content/public/browser/dom_operation_notification_details.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
 #include "content/public/test/test_utils.h"
 
 TestMessageHandler::TestMessageHandler() : ok_(true) {
 }
 
 TestMessageHandler::~TestMessageHandler() {
 }
 
 void TestMessageHandler::SetError(const std::string& message) {
   ok_ = false;
   error_message_ = message;
 }
 
 void TestMessageHandler::Reset() {
   ok_ = true;
   error_message_.clear();
 }
 
 JavascriptTestObserver::JavascriptTestObserver(
-    content::RenderViewHost* render_view_host,
+    content::WebContents* web_contents,
     TestMessageHandler* handler)
     : handler_(handler),
       running_(false),
       finished_(false) {
   Reset();
-  registrar_.Add(this, content::NOTIFICATION_DOM_OPERATION_RESPONSE,
-                 content::Source<content::RenderViewHost>(render_view_host));
+  registrar_.Add(this,
+                 content::NOTIFICATION_DOM_OPERATION_RESPONSE,
+                 content::Source<content::WebContents>(web_contents));
 }
 
 JavascriptTestObserver::~JavascriptTestObserver() {
 }
 
 bool JavascriptTestObserver::Run() {
   // Messages may have arrived before Run was called.
   if (!finished_) {
     CHECK(!running_);
     running_ = true;
@@ skipping 32 matching lines @@
 void JavascriptTestObserver::Continue() {
 }
 
 void JavascriptTestObserver::EndTest() {
   finished_ = true;
   if (running_) {
     running_ = false;
     base::MessageLoopForUI::current()->Quit();
   }
 }