Move UI dependency from WebDataService to WebDataServiceFactory.

chrome/browser/webdata/web_data_service_test_util.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_TEST_UTIL_H__
 #define CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_TEST_UTIL_H__
 
 #include "base/basictypes.h"
 #include "base/message_loop.h"
 #include "chrome/browser/webdata/web_data_service.h"
@@ skipping 37 matching lines @@
   virtual void Shutdown() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWebDataServiceWrapperBase);
 };
 
 // Pass your fake WebDataService in the constructor and this will
 // serve it up via GetWebData().
 class MockWebDataServiceWrapper : public MockWebDataServiceWrapperBase {
  public:
-  MockWebDataServiceWrapper(scoped_refptr<WebDataService> fake_service);
+  explicit MockWebDataServiceWrapper(
+      scoped_refptr<WebDataService> fake_service);
   virtual ~MockWebDataServiceWrapper();
 
   virtual scoped_refptr<WebDataService> GetWebData() OVERRIDE;
 
  protected:
   scoped_refptr<WebDataService> fake_web_data_service_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWebDataServiceWrapper);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_TEST_UTIL_H__