Moved a whole pile of unittests over to CocoaTest.

chrome/browser/cocoa/find_pasteboard_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/find_pasteboard.h"
 #import "chrome/browser/cocoa/cocoa_test_helper.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 44 matching lines @@
   [pboard_ setString:text forType:NSStringPboardType];
 }
 
 - (NSString*)findPboardText {
   return [pboard_ stringForType:NSStringPboardType];
 }
 @end
 
 namespace {
 
-class FindPasteboardTest : public PlatformTest {
+class FindPasteboardTest : public CocoaTest {
  public:
   FindPasteboardTest() {
     pboard_.reset([[FindPasteboardTesting alloc] init]);
   }
  protected:
-  CocoaTestHelper helper_;
   scoped_nsobject<FindPasteboardTesting> pboard_;
 };
 
 TEST_F(FindPasteboardTest, SettingTextUpdatesPboard) {
   [pboard_.get() setFindText:@"text"];
   EXPECT_EQ(
       NSOrderedSame,
       [[pboard_.get() findPboardText] compare:@"text"]);
 }
 
@@ skipping 25 matching lines @@
 
   [pboard_.get() setFindPboardText:@"otherer text"];
   [pboard_.get() loadTextFromPasteboard:nil];
   EXPECT_EQ(3, pboard_.get()->notificationCount_);
 
   [[NSNotificationCenter defaultCenter] removeObserver:pboard_.get()];
 }
 
 
 }  // namespace