Add a new metric for how many times permissions prompts are shown.

chrome/browser/ui/website_settings/permission_bubble_manager.cc

 // Copyright 2014 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/ui/website_settings/permission_bubble_manager.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/metrics/user_metrics_action.h"
 #include "build/build_config.h"
+#include "chrome/browser/permissions/permission_uma_util.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_request.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/user_metrics.h"
 #include "url/origin.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/browser_finder.h"
 #endif
@@ skipping 356 matching lines @@
       requests_.swap(queued_frame_requests_);
 
     // Sets the default value for each request to be 'accept'.
     // TODO(leng):  Currently all requests default to true.  If that changes:
     // a) Add additional accept_state queues to store default values.
     // b) Change the request API to provide the default value.
     accept_states_.resize(requests_.size(), true);
   }
 
   view_->Show(requests_, accept_states_);
+  PermissionUmaUtil::PermissionPromptShown(requests_);
   NotifyBubbleAdded();
 
   // If in testing mode, automatically respond to the bubble that was shown.
   if (auto_response_for_test_ != NONE)
     DoAutoResponseForTesting();
 }
 
 void PermissionBubbleManager::FinalizeBubble() {
   if (view_)
     view_->Hide();
@@ skipping 108 matching lines @@
     case DENY_ALL:
       Deny();
       break;
     case DISMISS:
       Closing();
       break;
     case NONE:
       NOTREACHED();
   }
 }