[Mac] Use the new {EXPECT,ASSERT}_NS{EQ,NE} macros where possible.

chrome/browser/cocoa/chrome_browser_window_unittest.mm

 // Copyright (c) 2009 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>
 
 #include "base/scoped_nsobject.h"
 #include "chrome/app/chrome_dll_resource.h"
 #import "chrome/browser/cocoa/chrome_browser_window.h"
 #import "chrome/browser/cocoa/browser_window_controller.h"
 #import "chrome/browser/cocoa/browser_frame_view.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#import "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
 
 class ChromeBrowserWindowTest : public CocoaTest {
  public:
   virtual void SetUp() {
     CocoaTest::SetUp();
     // Create a window.
     const NSUInteger mask = NSTitledWindowMask | NSClosableWindowMask |
         NSMiniaturizableWindowMask | NSResizableWindowMask;
@@ skipping 137 matching lines @@
   NSView* frameView = [[window_ contentView] superview];
   NSArray* trackingAreas = [frameView trackingAreas];
   NSPoint point = [closeBoxControl frame].origin;
   point.x += 1;
   point.y += 1;
   BOOL foundArea = NO;
   for (NSTrackingArea* area in trackingAreas) {
     NSRect rect = [area rect];
     foundArea = NSPointInRect(point, rect);
     if (foundArea) {
-      EXPECT_TRUE([[area owner] isEqual:frameView]);
+      EXPECT_NSEQ(frameView, [area owner]);
       break;
     }
   }
   EXPECT_TRUE(foundArea);
 }