ProfileInfoCacheObserver: All methods now have a default empty implementation.

chrome/browser/profiles/profile_manager_browsertest.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 "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
 #include "chrome/browser/profiles/profile_manager.h"
@@ skipping 32 matching lines @@
   }
 
   virtual ~ProfileRemovalObserver() {
     g_browser_process->profile_manager()->GetProfileInfoCache().RemoveObserver(
         this);
   }
 
   std::string last_used_profile_name() { return last_used_profile_name_; }
 
   // ProfileInfoCacheObserver overrides:
-  virtual void OnProfileAdded(const base::FilePath& profile_path) OVERRIDE {}
   virtual void OnProfileWillBeRemoved(
       const base::FilePath& profile_path) OVERRIDE {
     last_used_profile_name_ = g_browser_process->local_state()->GetString(
         prefs::kProfileLastUsed);
   }
-  virtual void OnProfileWasRemoved(const base::FilePath& profile_path,
-                                   const string16& profile_name) OVERRIDE {}
-  virtual void OnProfileNameChanged(const base::FilePath& profile_path,
-                                    const string16& old_profile_name)
-      OVERRIDE {}
-  virtual void OnProfileAvatarChanged(const base::FilePath& profile_path)
-      OVERRIDE {}
 
  private:
   std::string last_used_profile_name_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileRemovalObserver);
 };
 
 
 } // namespace
 
@@ skipping 105 matching lines @@
   EXPECT_EQ(profile_manager->GetNumberOfProfiles(), 2U);
   EXPECT_EQ(chrome::GetTotalBrowserCount(), 2U);
 
   // Now close all browser windows.
   std::vector<Profile*> profiles = profile_manager->GetLoadedProfiles();
   for (std::vector<Profile*>::const_iterator it = profiles.begin();
        it != profiles.end(); ++it) {
     BrowserList::CloseAllBrowsersWithProfile(*it);
   }
 }