Move implementation of BrowserList onto an inner, instantiatable class, BrowserListImpl.

chrome/browser/ui/network_profile_bubble.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/network_profile_bubble.h"
 
 #include <windows.h>
 
 #include <wtsapi32.h>
 // Make sure we link the wtsapi lib file in.
 #pragma comment(lib, "wtsapi32.lib")
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/time.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_list_observer.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace {
 
 // The duration of the silent period before we start nagging the user again.
 const int kSilenceDurationDays = 100;
 
 // The number of warnings to be shown on consequtive starts of Chrome before the
 // silent period starts.
 const int kMaxWarnings = 2;
 
-// Implementation of BrowserList::Observer used to wait for a browser window.
-class BrowserListObserver : public BrowserList::Observer {
+// Implementation of chrome::BrowserListObserver used to wait for a browser
+// window.
+class BrowserListObserver : public chrome::BrowserListObserver {
  private:
   virtual ~BrowserListObserver();
 
-  // Overridden from BrowserList::Observer:
+  // Overridden from chrome::BrowserListObserver:
   virtual void OnBrowserAdded(Browser* browser) OVERRIDE;
   virtual void OnBrowserRemoved(Browser* browser) OVERRIDE;
   virtual void OnBrowserSetLastActive(Browser* browser) OVERRIDE;
 };
 
 BrowserListObserver::~BrowserListObserver() {
 }
 
 void BrowserListObserver::OnBrowserAdded(Browser* browser) {
 }
@@ skipping 115 matching lines @@
                             METRIC_NETWORKED_PROFILE_CHECK_SIZE);
 }
 
 // static
 void NetworkProfileBubble::NotifyNetworkProfileDetected() {
   if (BrowserList::GetLastActive())
     ShowNotification(BrowserList::GetLastActive());
   else
     BrowserList::AddObserver(new BrowserListObserver());
 }