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

chrome/browser/cocoa/base_view_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"
 #import "chrome/browser/cocoa/base_view.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
 
 namespace {
 
-class BaseViewTest : public testing::Test {
+class BaseViewTest : public PlatformTest {
  public:
   BaseViewTest() {
     NSRect frame = NSMakeRect(0, 0, 100, 100);
     view_.reset([[BaseView alloc] initWithFrame:frame]);
     [cocoa_helper_.contentView() addSubview:view_.get()];
   }
 
   scoped_nsobject<BaseView> view_;
   CocoaTestHelper cocoa_helper_;  // Inits Cocoa, creates window, etc...
 };
@@ skipping 24 matching lines @@
 
   // Go back the other way.
   NSRect back_again = [view_ RectToNSRect:converted];
   EXPECT_EQ(back_again.origin.x, convert.origin.x);
   EXPECT_EQ(back_again.origin.y, convert.origin.y);
   EXPECT_EQ(back_again.size.width, convert.size.width);
   EXPECT_EQ(back_again.size.height, convert.size.height);
 }
 
 }  // namespace