Simplify WebUI data sources. Currently WebUI data sources implement a URLDataSourceDelegate interfa…

chrome/browser/ui/webui/options/chromeos/user_image_source.h

Index: chrome/browser/ui/webui/options/chromeos/user_image_source.h
===================================================================
--- chrome/browser/ui/webui/options/chromeos/user_image_source.h	(revision 176942)
+++ chrome/browser/ui/webui/options/chromeos/user_image_source.h	(working copy)
@@ -10,7 +10,7 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "content/public/browser/url_data_source_delegate.h"
+#include "content/public/browser/url_data_source.h"
 #include "ui/base/layout.h"
 
 namespace base {
@@ -22,15 +22,16 @@
 
 // UserImageSource is the data source that serves user images for users that
 // have it.
-class UserImageSource : public content::URLDataSourceDelegate {
+class UserImageSource : public content::URLDataSource {
  public:
   UserImageSource();
 
-  // content::URLDataSourceDelegate implementation.
+  // content::URLDataSource implementation.
   virtual std::string GetSource() OVERRIDE;
-  virtual void StartDataRequest(const std::string& path,
-                                bool is_incognito,
-                                int request_id) OVERRIDE;
+  virtual void StartDataRequest(
+      const std::string& path,
+      bool is_incognito,
+      const content::URLDataSource::GotDataCallback& callback) OVERRIDE;
   virtual std::string GetMimeType(const std::string& path) const OVERRIDE;
 
   // Returns PNG or GIF (when possible and if |is_image_animated| flag