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

chrome/browser/cocoa/infobar_container_controller_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_nsautorelease_pool.h"
 #include "base/scoped_nsobject.h"
 #include "chrome/browser/cocoa/browser_test_helper.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/cocoa/infobar_container_controller.h"
 #include "chrome/browser/cocoa/infobar_test_helper.h"
 #import "chrome/browser/cocoa/view_resizer_pong.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
 
 namespace {
 
-class InfoBarContainerControllerTest : public testing::Test {
+class InfoBarContainerControllerTest : public PlatformTest {
   virtual void SetUp() {
     resizeDelegate_.reset([[ViewResizerPong alloc] init]);
     TabStripModel* model = browser_helper_.browser()->tabstrip_model();
     controller_.reset([[InfoBarContainerController alloc]
                         initWithTabStripModel:model
                                resizeDelegate:resizeDelegate_.get()]);
   }
 
  public:
   // Order is very important here.  We want the controller deleted
@@ skipping 64 matching lines @@
 
   [controller_ addInfoBar:&alertDelegate];
   [controller_ addInfoBar:&linkDelegate];
   [controller_ addInfoBar:&confirmDelegate];
   EXPECT_EQ(3U, [[view subviews] count]);
 
   [controller_ removeAllInfoBars];
   EXPECT_EQ(0U, [[view subviews] count]);
 }
 }  // namespace