Send screenshots back to the client for debugging

chrome/browser/automation/testing_automation_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOMATION_TESTING_AUTOMATION_PROVIDER_H_
 #define CHROME_BROWSER_AUTOMATION_TESTING_AUTOMATION_PROVIDER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
@@ skipping 844 matching lines @@
   //   input: { "windex": 1, "tab_index": 1 }
   //   output: { "url": "http://www.google.com" }
   void GetTabURLJSON(DictionaryValue* args, IPC::Message* reply_message);
 
   // Get the current url of the specified tab. Uses the JSON interface.
   // Example:
   //   input: { "windex": 1, "tab_index": 1 }
   //   output: { "title": "Google" }
   void GetTabTitleJSON(DictionaryValue* args, IPC::Message* reply_message);
 
+  // Captures the entire page of the the specified tab, including the
+  // non-visible portions of the page, and saves the PNG to a file.
+  // Example:
+  //   input: { "windex": 1, "tab_index": 1, "path:"file location"}

[kkania, 2011/03/22 21:08:56]

fix the comment (it is missing a quote and should have a real file path example:
"path": "/Users/temp/sreenshot.png"

[Joe, 2011/03/22 22:08:19]

Done.

+  //   output: none
+  void CaptureEntirePageJSON(
+      DictionaryValue* args, IPC::Message* reply_message);
+
   // Gets the cookies for the given URL. Uses the JSON interface.
   // Example:
   //   input: { "windex": 1, "tab_index": 1, "url": "http://www.google.com" }
   //   output: { "cookies": "PREF=12012" }
   void GetCookiesJSON(DictionaryValue* args, IPC::Message* reply_message);
 
   // Deletes the cookie with the given name for the URL. Uses the JSON
   // interface.
   // Example:
   //   input: { "windex": 1,
@@ skipping 174 matching lines @@
   // Used to enumerate browser profiles.
   scoped_refptr<ImporterList> importer_list_;
 
   // The stored data for the ImportSettings operation.
   ImportSettingsData import_settings_data_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingAutomationProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_TESTING_AUTOMATION_PROVIDER_H_