Allow changing metrics reporting state without callback.

chrome/browser/ui/views/session_crashed_bubble_view.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/views/session_crashed_bubble_view.h"
 
 #include <stddef.h>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 73 matching lines @@
   SESSION_CRASHED_BUBBLE_MAX,
 };
 
 void RecordBubbleHistogramValue(SessionCrashedBubbleHistogramValue value) {
   UMA_HISTOGRAM_ENUMERATION(
       "SessionCrashed.Bubble", value, SESSION_CRASHED_BUBBLE_MAX);
 }
 
 // Whether or not the bubble UI should be used.
 bool IsBubbleUIEnabled() {
-  // Function InitiateMetricsReportingChange (called when the user chooses to
-  // opt-in to UMA) does not support Chrome OS yet, so don't show the bubble on
-  // Chrome OS.
+// Function ChangeMetricsReportingState (called when the user chooses to
+// opt-in to UMA) does not support Chrome OS yet, so don't show the bubble on
+// Chrome OS.
 #if defined(OS_CHROMEOS)
   return false;
 #else
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kDisableSessionCrashedBubble))
     return false;
   if (command_line.HasSwitch(switches::kEnableSessionCrashedBubble))
     return true;
   const std::string group_name = base::FieldTrialList::FindFullName(
@@ skipping 296 matching lines @@
 }
 
 void SessionCrashedBubbleView::RestorePreviousSession() {
   SessionRestore::RestoreSessionAfterCrash(browser_);
   RecordBubbleHistogramValue(SESSION_CRASHED_BUBBLE_RESTORED);
   restored_ = true;
 
   // Record user's choice for opt-in in to UMA.
   // There's no opt-out choice in the crash restore bubble.
   if (uma_option_ && uma_option_->checked()) {
-    InitiateMetricsReportingChange(true, OnMetricsReportingCallbackType());
+    ChangeMetricsReportingState(true);
     RecordBubbleHistogramValue(SESSION_CRASHED_BUBBLE_UMA_OPTIN);
   }
   CloseBubble();
 }
 
 void SessionCrashedBubbleView::CloseBubble() {
   GetWidget()->Close();
 }