Send screenshots back to the client for debugging

chrome/test/webdriver/session.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_TEST_WEBDRIVER_SESSION_H_
 #define CHROME_TEST_WEBDRIVER_SESSION_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 60 matching lines @@
   // Send the given keys to the given element dictionary. This function takes
   // ownership of |element|.
   ErrorCode SendKeys(DictionaryValue* element, const string16& keys);
 
   // Click events with the mouse should use the values found in:
   // views/events/event.h.  In the Webdriver JSON spec the MouseMove
   // function directly maps to the hover command.
   void MouseClick(const gfx::Point& click, int flags);
   bool MouseMove(const gfx::Point& location);
   bool MouseDrag(const gfx::Point& start, const gfx::Point& end);
-
   bool NavigateToURL(const std::string& url);
   bool GoForward();
   bool GoBack();
   bool Reload();
   bool GetURL(GURL* url);
   bool GetURL(std::string* url);
   bool GetTabTitle(std::string* tab_title);
   bool GetCookies(const GURL& url, std::string* cookies);
   bool GetCookieByName(const GURL& url, const std::string& cookie_name,
              std::string* cookie);
   bool DeleteCookie(const GURL& url, const std::string& cookie_name);
   bool SetCookie(const GURL& url, const std::string& cookie);
+  bool CaptureEntirePageAsPNG(const FilePath& path);
+  bool ScreenshotAsBase64(std::string* screenshot);
 
   // Gets all the currently existing window IDs. Returns true on success.
   bool GetWindowIds(std::vector<int>* window_ids);
 
   // Switches the window used by default. |name| is either an ID returned by
   // |GetWindowIds| or the name attribute of a DOM window.
   ErrorCode SwitchToWindow(const std::string& name);
 
   // Switches the frame used by default. |name_or_id| is either the name or id
   // of a frame element.
@@ skipping 63 matching lines @@
   int current_window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Session);
 };
 
 }  // namespace webdriver
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(webdriver::Session);
 
 #endif  // CHROME_TEST_WEBDRIVER_SESSION_H_