Convert ChromeDriver to use only the JSON automation interface.

chrome/browser/automation/automation_provider_observers.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/browser/automation/automation_provider_observers.h"
 
 #include <deque>
 #include <string>
 #include <vector>
 
@@ skipping 1991 matching lines @@
 AllTabsStoppedLoadingObserver::~AllTabsStoppedLoadingObserver() {}
 
 void AllTabsStoppedLoadingObserver::Observe(
     NotificationType type,
     const NotificationSource& source,
     const NotificationDetails& details) {
   CheckIfStopped();
 }
 
 void AllTabsStoppedLoadingObserver::CheckIfStopped() {
+  if (!automation_) {
+    delete this;
+    return;
+  }
   bool done_loading = true;
   BrowserList::const_iterator iter = BrowserList::begin();
   for (; iter != BrowserList::end(); ++iter) {
     Browser* browser = *iter;
     for (int i = 0; i < browser->tab_count(); ++i) {
       TabContents* tab = browser->GetTabContentsAt(i);
       if (tab->is_loading()) {
         done_loading = false;
         break;
       }
@@ skipping 66 matching lines @@
       NewRunnableMethod(
           this,
           &WaitForProcessLauncherThreadToGoIdleObserver::RunOnUIThread));
 }
 
 void WaitForProcessLauncherThreadToGoIdleObserver::RunOnUIThread() {
   if (automation_)
     automation_->Send(reply_message_.release());
   Release();
 }
+
+ExecuteJavascriptObserver::ExecuteJavascriptObserver(
+    AutomationProvider* automation,
+    IPC::Message* reply_message)
+    : automation_(automation->AsWeakPtr()),
+      reply_message_(reply_message) {
+}
+
+ExecuteJavascriptObserver::~ExecuteJavascriptObserver() {
+}
+
+void ExecuteJavascriptObserver::OnDomOperationCompleted(
+    const std::string& json) {
+  if (automation_) {
+    DictionaryValue dict;
+    dict.SetString("result", json);
+    AutomationJSONReply(automation_, reply_message_.release())
+        .SendSuccess(&dict);
+  }
+  delete this;
+}