Implement newly designed sign-in related histograms for desktop platorms.

chrome/test/base/test_browser_window.h

 // Copyright (c) 2012 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_BASE_TEST_BROWSER_WINDOW_H_
 #define CHROME_TEST_BASE_TEST_BROWSER_WINDOW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "build/build_config.h"
@@ skipping 129 matching lines @@
       const GURL& url,
       const SecurityStateModel::SecurityInfo& security_info) override {}
   void CutCopyPaste(int command_id) override {}
   WindowOpenDisposition GetDispositionForPopupBounds(
       const gfx::Rect& bounds) override;
   FindBar* CreateFindBar() override;
   web_modal::WebContentsModalDialogHost* GetWebContentsModalDialogHost()
       override;
   void ShowAvatarBubbleFromAvatarButton(
       AvatarBubbleMode mode,
-      const signin::ManageAccountsParams& manage_accounts_params) override {}
-  void ShowModalSigninWindow(AvatarBubbleMode mode) override {}
+      const signin::ManageAccountsParams& manage_accounts_params,
+      signin_metrics::AccessPoint access_point) override {}
+  void ShowModalSigninWindow(
+      AvatarBubbleMode mode,
+      signin_metrics::AccessPoint access_point) override {}
   void CloseModalSigninWindow() override {}
   int GetRenderViewHeightInsetWithDetachedBookmarkBar() override;
   void ExecuteExtensionCommand(const extensions::Extension* extension,
                                const extensions::Command& command) override;
   ExclusiveAccessContext* GetExclusiveAccessContext() override;
 
  protected:
   void DestroyBrowser() override {}
 
  private:
@@ skipping 52 matching lines @@
 
 namespace chrome {
 
 // Helper that handle the lifetime of TestBrowserWindow instances.
 scoped_ptr<Browser> CreateBrowserWithTestWindowForParams(
     Browser::CreateParams* params);
 
 }  // namespace chrome
 
 #endif  // CHROME_TEST_BASE_TEST_BROWSER_WINDOW_H_