Add hash to OFC pasteboard change detection

components/open_from_clipboard/clipboard_recent_content_ios_unittest.mm

 // Copyright 2015 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 "components/open_from_clipboard/clipboard_recent_content_ios.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/ios/ios_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 28 matching lines @@
                                 base::TimeDelta::FromSeconds(0));
   }
 
   void ResetClipboardRecentContent(const std::string& application_scheme,
                                    base::TimeDelta time_delta) {
     clipboard_content_.reset(
         new ClipboardRecentContentIOS(application_scheme, time_delta));
   }
 
   void SetStoredPasteboardChangeDate(NSDate* changeDate) {
-    clipboard_content_->lastPasteboardChangeDate_.reset([changeDate copy]);
+    clipboard_content_->last_pasteboard_change_date_.reset([changeDate copy]);
     clipboard_content_->SaveToUserDefaults();
   }
 
   void SetStoredPasteboardChangeCount(NSInteger newChangeCount) {
-    clipboard_content_->lastPasteboardChangeCount_ = newChangeCount;
+    clipboard_content_->last_pasteboard_change_count_ = newChangeCount;
     clipboard_content_->SaveToUserDefaults();
   }
 
  protected:
   scoped_ptr<ClipboardRecentContentIOS> clipboard_content_;
 };
 
 TEST_F(ClipboardRecentContentIOSTest, SchemeFiltering) {
   GURL gurl;
 
@@ skipping 72 matching lines @@
   // Check that the even if the device is restarted, pasteboard content is
   // still suppressed.
   SimulateDeviceRestart();
   EXPECT_FALSE(clipboard_content_->GetRecentURLFromClipboard(&gurl));
 
   // Check that if the pasteboard changes, the new content is not
   // supressed anymore.
   SetPasteboardContent(kRecognizedURL);
   EXPECT_TRUE(clipboard_content_->GetRecentURLFromClipboard(&gurl));
 }