Move core url data manager classes to content.

content/browser/webui/web_ui_data_source.h

Index: content/browser/webui/web_ui_data_source.h
===================================================================
--- content/browser/webui/web_ui_data_source.h	(revision 178359)
+++ content/browser/webui/web_ui_data_source.h	(working copy)
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_CHROME_WEB_UI_DATA_SOURCE_H_
-#define CHROME_BROWSER_UI_WEBUI_CHROME_WEB_UI_DATA_SOURCE_H_
+#ifndef CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
+#define CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_
 
 #include <map>
 #include <string>
@@ -12,17 +12,19 @@
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/values.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
+#include "content/browser/webui/url_data_manager.h"
+#include "content/common/content_export.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/web_ui_data_source.h"
 
 // A data source that can help with implementing the common operations
 // needed by the chrome WEBUI settings/history/downloads pages.
-// DO NOT DERIVE FROM THIS CLASS! http://crbug.com/169170
-class ChromeWebUIDataSource : public URLDataSourceImpl,
-                              public content::WebUIDataSource {
+class CONTENT_EXPORT ChromeWebUIDataSource
+    : public NON_EXPORTED_BASE(URLDataSourceImpl),
+      public NON_EXPORTED_BASE(content::WebUIDataSource) {
  public:
-  static content::WebUIDataSource* Create(const std::string& source_name);
+  static content::WebUIDataSource* Create(
+      const std::string& source_name);
 
   // content::WebUIDataSource implementation:
   virtual void AddString(const std::string& name,
@@ -61,7 +63,7 @@
  private:
   class InternalDataSource;
   friend class InternalDataSource;
-  friend class MockChromeWebUIDataSource;
+  friend class ChromeWebUIDataSourceTest;
 
   explicit ChromeWebUIDataSource(const std::string& source_name);
 
@@ -94,4 +96,4 @@
   DISALLOW_COPY_AND_ASSIGN(ChromeWebUIDataSource);
 };
 
-#endif  // CHROME_BROWSER_UI_WEBUI_CHROME_WEB_UI_DATA_SOURCE_H_
+#endif  // CONTENT_BROWSER_WEBUI_WEB_UI_DATA_SOURCE_H_