First set of unittest fixes. Many more to come ;-)...

chrome/browser/cocoa/find_bar_bridge_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 "chrome/browser/find_bar_controller.h"
 #include "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/cocoa/find_bar_bridge.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
 
 namespace {
 
-class FindBarBridgeTest : public PlatformTest {
- protected:
-  CocoaTestHelper helper_;
+class FindBarBridgeTest : public CocoaTest {
 };
 
 TEST_F(FindBarBridgeTest, Creation) {
   // Make sure the FindBarBridge constructor doesn't crash and
   // properly initializes its FindBarCocoaController.
   FindBarBridge bridge;
   EXPECT_TRUE(bridge.find_bar_cocoa_controller() != NULL);
 }
 
 TEST_F(FindBarBridgeTest, Accessors) {
   // Get/SetFindBarController are virtual methods implemented in
   // FindBarBridge, so we test them here.
   FindBarBridge* bridge = new FindBarBridge();
   FindBarController controller(bridge);  // takes ownership of |bridge|.
   bridge->SetFindBarController(&controller);
 
   EXPECT_EQ(&controller, bridge->GetFindBarController());
 }
 }  // namespace