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

chrome/browser/cocoa/location_bar_view_mac_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_nsobject.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "chrome/browser/cocoa/autocomplete_text_field.h"
 #include "chrome/browser/cocoa/autocomplete_text_field_cell.h"
 #include "chrome/browser/cocoa/browser_test_helper.h"
 #include "chrome/browser/cocoa/location_bar_view_mac.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
 
 // TODO(shess): Figure out how to unittest this.  The code below was
 // testing the hacked-up behavior so you didn't have to be pedantic
 // WRT http://.  But that approach is completely and utterly wrong in
 // a world where omnibox is running.
 // http://code.google.com/p/chromium/issues/detail?id=9977
 
 #if 0
-class LocationBarViewMacTest : public testing::Test {
+class LocationBarViewMacTest : public PlatformTest {
  public:
   LocationBarViewMacTest()
       : field_([[NSTextField alloc] init]),
         locationBarView_(new LocationBarViewMac(field_, NULL, NULL, NULL)) {
   }
 
   scoped_nsobject<NSTextField> field_;
   scoped_ptr<LocationBarViewMac> locationBarView_;
 };
 
@@ skipping 18 matching lines @@
             ASCIIToWide("http://example.com/"));
 
   [field_ setStringValue:@"https://www.example.com"];
   EXPECT_EQ(locationBarView_->GetInputString(),
             ASCIIToWide("https://www.example.com/"));
 }
 #endif
 
 namespace {
 
-class LocationBarViewMacTest : public testing::Test {
+class LocationBarViewMacTest : public PlatformTest {
  public:
   LocationBarViewMacTest() {
     // Make sure this is wide enough to play games with the cell
     // decorations.
     NSRect frame = NSMakeRect(0, 0, 300, 30);
     field_.reset([[AutocompleteTextField alloc] initWithFrame:frame]);
     [field_ setStringValue:@"Testing"];
     [cocoa_helper_.contentView() addSubview:field_.get()];
   }
 
@@ skipping 49 matching lines @@
   EXPECT_FALSE([cell hintString]);
 
   // Transition back to baseline.
   LocationBarViewMac::OnChangedImpl(
       field_.get(), std::wstring(), std::wstring(), false, false, image);
   EXPECT_FALSE([cell keywordString]);
   EXPECT_FALSE([cell hintString]);
 }
 
 }  // namespace