[Mac]Implement ViewID support.

chrome/browser/cocoa/toolbar_controller_unittest.mm

 // Copyright (c) 2010 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.
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/scoped_nsobject.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/browser/cocoa/browser_test_helper.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/cocoa/gradient_button_cell.h"
+#import "chrome/browser/cocoa/reload_button.h"
 #import "chrome/browser/cocoa/toolbar_controller.h"
 #import "chrome/browser/cocoa/view_resizer_pong.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/common/pref_names.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 // An NSView that fakes out hitTest:.
 @interface HitView : NSView {
   id hitTestReturn_;
@@ skipping 121 matching lines @@
   NSWindow* window = test_window();
   [window makeFirstResponder:[window contentView]];
   EXPECT_EQ([window firstResponder], [window contentView]);
   [bar_ focusLocationBar:YES];
   EXPECT_NE([window firstResponder], [window contentView]);
   NSView* locationBar = [[bar_ toolbarViews] objectAtIndex:kLocationIndex];
   EXPECT_EQ([window firstResponder], [(id)locationBar currentEditor]);
 }
 
 TEST_F(ToolbarControllerTest, LoadingState) {
-  // In its initial state, the reload button has a tag of
+  // In its initial state, the reload button has a command of
   // IDC_RELOAD. When loading, it should be IDC_STOP.
-  NSButton* reload = [[bar_ toolbarViews] objectAtIndex:kReloadIndex];
-  EXPECT_EQ([reload tag], IDC_RELOAD);
+  ReloadButton* reload = [[bar_ toolbarViews] objectAtIndex:kReloadIndex];
+  EXPECT_EQ([reload command], IDC_RELOAD);
   [bar_ setIsLoading:YES force:YES];
-  EXPECT_EQ([reload tag], IDC_STOP);
+  EXPECT_EQ([reload command], IDC_STOP);
   [bar_ setIsLoading:NO force:YES];
-  EXPECT_EQ([reload tag], IDC_RELOAD);
+  EXPECT_EQ([reload command], IDC_RELOAD);
 }
 
 // Check that toggling the state of the home button changes the visible
 // state of the home button and moves the other buttons accordingly.
 TEST_F(ToolbarControllerTest, ToggleHome) {
   PrefService* prefs = helper_.profile()->GetPrefs();
   bool showHome = prefs->GetBoolean(prefs::kShowHomeButton);
   NSView* homeButton = [[bar_ toolbarViews] objectAtIndex:kHomeIndex];
   EXPECT_EQ(showHome, ![homeButton isHidden]);
 
@@ skipping 60 matching lines @@
   [view setHitTestReturn:button];
   EXPECT_FALSE([bar_ hoverButtonForEvent:event]);
 
   // Now!
   scoped_nsobject<GradientButtonCell> cell([[GradientButtonCell alloc] init]);
   [button setCell:cell.get()];
   EXPECT_TRUE([bar_ hoverButtonForEvent:nil]);
 }
 
 }  // namespace