Added UMA collection for fullscreen / mouse lock bubble re-shows.

chrome/browser/ui/exclusive_access/fullscreen_controller.cc

 // 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.
 
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 402 matching lines @@
     SetTabWithExclusiveAccess(nullptr);
     fullscreened_origin_ = GURL();
     bool will_cause_resize = IsFullscreenCausedByTab();
     state_prior_to_tab_fullscreen_ = STATE_INVALID;
     tab_fullscreen_accepted_ = false;
     web_contents->ExitFullscreen(will_cause_resize);
     exclusive_access_manager()->UpdateExclusiveAccessExitBubbleContent();
   }
 }
 
+const char* FullscreenController::HistogramPrefix() {
+  return "Fullscreen";
+}
+
 void FullscreenController::ToggleFullscreenModeInternal(
     FullscreenInternalOption option) {
 #if defined(OS_WIN)
   // When in Metro snap mode, toggling in and out of fullscreen is prevented.
   if (IsInMetroSnapMode())
     return;
 #endif
 
   ExclusiveAccessContext* const exclusive_access_context =
       exclusive_access_manager()->context();
@@ skipping 59 matching lines @@
 
   exclusive_access_manager()->UpdateExclusiveAccessExitBubbleContent();
 
   // Once the window has become fullscreen it'll call back to
   // WindowFullscreenStateChanged(). We don't do this immediately as
   // BrowserWindow::EnterFullscreen() asks for bookmark_bar_state_, so we let
   // the BrowserWindow invoke WindowFullscreenStateChanged when appropriate.
 }
 
 void FullscreenController::ExitFullscreenModeInternal() {
+  Exiting();
   toggled_into_fullscreen_ = false;
 #if defined(OS_MACOSX)
   // Mac windows report a state change instantly, and so we must also clear
   // state_prior_to_tab_fullscreen_ to match them else other logic using
   // state_prior_to_tab_fullscreen_ will be incorrect.
   NotifyTabExclusiveAccessLost();
 #endif
   exclusive_access_manager()->context()->ExitFullscreen();
   extension_caused_fullscreen_ = GURL();
 
@@ skipping 90 matching lines @@
     return fullscreened_origin_;
 
   return exclusive_access_tab()->GetLastCommittedURL();
 }
 
 GURL FullscreenController::GetEmbeddingOrigin() const {
   DCHECK(exclusive_access_tab());
 
   return exclusive_access_tab()->GetLastCommittedURL();
 }