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

chrome/browser/cocoa/event_utils_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 <objc/objc-class.h>
 
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/cocoa/event_utils.h"
 #include "chrome/browser/cocoa/test_event_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
 
 // We provide a donor class with a specially modified |modifierFlags|
 // implementation that we swap with NSEvent's. This is because we can't create a
 // NSEvent that represents a middle click with modifiers.
 @interface TestEvent : NSObject
 @end
 @implementation TestEvent
 - (NSUInteger)modifierFlags { return NSShiftKeyMask; }
 @end
 
 namespace {
 
-class EventUtilsTest : public testing::Test {
+class EventUtilsTest : public PlatformTest {
  private:
   CocoaTestHelper cocoa_helper_;  // Inits Cocoa, creates window, etc...
 };
 
 TEST_F(EventUtilsTest, TestWindowOpenDispositionFromNSEvent) {
   // Left Click = same tab.
   NSEvent* me = test_event_utils::MakeMouseEvent(NSLeftMouseUp, 0);
   EXPECT_EQ(CURRENT_TAB, event_utils::WindowOpenDispositionFromNSEvent(me));
 
   // Middle Click = new background tab.
@@ skipping 19 matching lines @@
   me = test_event_utils::MakeMouseEvent(NSLeftMouseUp, NSCommandKeyMask | NSShiftKeyMask);
   EXPECT_EQ(NEW_FOREGROUND_TAB,
             event_utils::WindowOpenDispositionFromNSEvent(me));
 
   // Shift+Left Click = new window
   me = test_event_utils::MakeMouseEvent(NSLeftMouseUp, NSShiftKeyMask);
   EXPECT_EQ(NEW_WINDOW, event_utils::WindowOpenDispositionFromNSEvent(me));
 }
 
 }  // namespace