Make all of our unit tests be PlatformTests to get an autorelease pool....

chrome/browser/cocoa/fullscreen_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.
 
 #include "base/scoped_ptr.h"
 #include "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/cocoa/fullscreen_window.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
 
-class FullscreenWindowTest : public testing::Test {
+class FullscreenWindowTest : public PlatformTest {
  public:
   CocoaTestHelper cocoa_helper_;
 };
 
 TEST_F(FullscreenWindowTest, Basics) {
   scoped_nsobject<FullscreenWindow> window_;
   window_.reset([[FullscreenWindow alloc] init]);
 
   EXPECT_EQ([NSScreen mainScreen], [window_ screen]);
   EXPECT_TRUE([window_ canBecomeKeyWindow]);
   EXPECT_TRUE([window_ canBecomeMainWindow]);
   EXPECT_EQ(NSBorderlessWindowMask, [window_ styleMask]);
   EXPECT_FALSE([window_ isReleasedWhenClosed]);
   EXPECT_TRUE(NSEqualRects([[NSScreen mainScreen] frame], [window_ frame]));
 }