Remove PrefObserver usages, batch 6.

chrome/browser/ui/browser.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_BROWSER_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/public/pref_change_registrar.h"
-#include "base/prefs/public/pref_observer.h"
 #include "base/string16.h"
 #include "chrome/browser/api/prefs/pref_member.h"
 #include "chrome/browser/debugger/devtools_toggle_action.h"
 #include "chrome/browser/event_disposition.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper_delegate.h"
 #include "chrome/browser/ui/bookmarks/bookmark_bar.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper_delegate.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/constrained_window_tab_helper_delegate.h"
@@ skipping 71 matching lines @@
 class Browser : public TabStripModelObserver,
                 public content::WebContentsDelegate,
                 public CoreTabHelperDelegate,
                 public SearchEngineTabHelperDelegate,
                 public ConstrainedWindowTabHelperDelegate,
                 public BlockedContentTabHelperDelegate,
                 public BookmarkTabHelperDelegate,
                 public ZoomObserver,
                 public content::PageNavigator,
                 public content::NotificationObserver,
-                public PrefObserver,
                 public ui::SelectFileDialog::Listener,
                 public chrome::search::SearchModelObserver {
  public:
   // SessionService::WindowType mirrors these values.  If you add to this
   // enum, look at SessionService::WindowType to see if it needs to be
   // updated.
   enum Type {
     // If you add a new type, consider updating the test
     // BrowserTest.StartMaximized.
     TYPE_TABBED = 1,
@@ skipping 566 matching lines @@
   virtual void FileSelectedWithExtraInfo(
       const ui::SelectedFileInfo& file_info,
       int index,
       void* params) OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
-  // Overridden from PrefObserver:
-  virtual void OnPreferenceChanged(PrefServiceBase* service,
-                                   const std::string& pref_name) OVERRIDE;
-
   // Overridden from chrome::search::SearchModelObserver:
   virtual void ModeChanged(const chrome::search::Mode& old_mode,
                            const chrome::search::Mode& new_mode) OVERRIDE;
 
   // Command and state updating ///////////////////////////////////////////////
 
+  // Handle changes to kDevTools preference.
+  void OnDevToolsDisabledChanged();
+
   // Set the preference that indicates that the home page has been changed.
-  void MarkHomePageAsChanged(PrefService* pref_service);
+  void MarkHomePageAsChanged();
 
   // UI update coalescing and handling ////////////////////////////////////////
 
   // Asks the toolbar (and as such the location bar) to update its state to
   // reflect the current tab's current URL, security state, etc.
   // If |should_restore_state| is true, we're switching (back?) to this tab and
   // should restore any previous location bar state (such as user editing) as
   // well.
   void UpdateToolbar(bool should_restore_state);
 
@@ skipping 231 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_