Use <if expr".."> to use a single bug report html for both Chrome and Chrome ...

chrome/browser/dom_ui/bug_report_ui.cc

 // 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/dom_ui/bug_report_ui.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 430 matching lines @@
             IDR_BUGREPORT_HTML_INVALID));
   }
 
   if (browser_)
     target_tab_ = browser_->GetTabContentsAt(index);
   else
     LOG(FATAL) << "Failed to get last active browser.";
 
   return base::StringPiece(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
-#if defined(OS_CHROMEOS)
-          IDR_BUGREPORT_HTML_CHROMEOS));
-#else
           IDR_BUGREPORT_HTML));
-#endif
 }
 
 void BugReportHandler::RegisterMessages() {
   dom_ui_->RegisterMessageCallback("getDialogDefaults",
       NewCallback(this, &BugReportHandler::HandleGetDialogDefaults));
   dom_ui_->RegisterMessageCallback("refreshScreenshots",
       NewCallback(this, &BugReportHandler::HandleRefreshScreenshots));
   dom_ui_->RegisterMessageCallback("sendReport",
       NewCallback(this, &BugReportHandler::HandleSendReport));
   dom_ui_->RegisterMessageCallback("cancel",
@@ skipping 151 matching lines @@
   BugReportUIHTMLSource* html_source =
       new BugReportUIHTMLSource(handler->Init());
   // Set up the chrome://bugreport/ source.
   ChromeThread::PostTask(
       ChromeThread::IO, FROM_HERE,
       NewRunnableMethod(
           Singleton<ChromeURLDataManager>::get(),
           &ChromeURLDataManager::AddDataSource,
           make_scoped_refptr(html_source)));
 }