[CLEANUP] Rename some methods of ExtensionToolbarModel to be OnFoo

chrome/browser/extensions/extension_toolbar_model_unittest.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 "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
@@ skipping 35 matching lines @@
   ~ExtensionToolbarModelTestObserver() override;
 
   size_t inserted_count() const { return inserted_count_; }
   size_t removed_count() const { return removed_count_; }
   size_t moved_count() const { return moved_count_; }
   int highlight_mode_count() const { return highlight_mode_count_; }
   size_t initialized_count() const { return initialized_count_; }
 
  private:
   // ExtensionToolbarModel::Observer:
-  void ToolbarExtensionAdded(const Extension* extension, int index) override {
+  void OnToolbarExtensionAdded(const Extension* extension, int index) override {
     ++inserted_count_;
   }
 
-  void ToolbarExtensionRemoved(const Extension* extension) override {
+  void OnToolbarExtensionRemoved(const Extension* extension) override {
     ++removed_count_;
   }
 
-  void ToolbarExtensionMoved(const Extension* extension, int index) override {
+  void OnToolbarExtensionMoved(const Extension* extension, int index) override {
     ++moved_count_;
   }
 
-  void ToolbarExtensionUpdated(const Extension* extension) override {}
+  void OnToolbarExtensionUpdated(const Extension* extension) override {}
 
   bool ShowExtensionActionPopup(const Extension* extension,
                                 bool grant_active_tab) override {
     return false;
   }
 
-  void ToolbarVisibleCountChanged() override {}
+  void OnToolbarVisibleCountChanged() override {}
 
-  void ToolbarHighlightModeChanged(bool is_highlighting) override {
+  void OnToolbarHighlightModeChanged(bool is_highlighting) override {
     // Add one if highlighting, subtract one if not.
     highlight_mode_count_ += is_highlighting ? 1 : -1;
   }
 
   void OnToolbarModelInitialized() override { ++initialized_count_; }
 
   Browser* GetBrowser() override { return NULL; }
 
   ExtensionToolbarModel* model_;
 
@@ skipping 1035 matching lines @@
 
   // The new order should be reflected in the model.
   EXPECT_EQ(browser_action_b(), GetExtensionAtIndex(0));
   EXPECT_EQ(browser_action_c(), GetExtensionAtIndex(1));
   EXPECT_EQ(browser_action_a(), GetExtensionAtIndex(2));
   EXPECT_EQ(inserted_and_removed_difference,
             observer()->inserted_count() - observer()->removed_count());
 }
 
 }  // namespace extensions