Don't derive from ChromeURLDataManager::DataSource, and instead have these classes implement a dele…

chrome/browser/ui/webui/shared_resources_data_source.cc

Index: chrome/browser/ui/webui/shared_resources_data_source.cc
===================================================================
--- chrome/browser/ui/webui/shared_resources_data_source.cc	(revision 176443)
+++ chrome/browser/ui/webui/shared_resources_data_source.cc	(working copy)
@@ -41,13 +41,16 @@
 
 }  // namespace
 
-SharedResourcesDataSource::SharedResourcesDataSource()
-    : DataSource(chrome::kChromeUIResourcesHost, NULL) {
+SharedResourcesDataSource::SharedResourcesDataSource() {
 }
 
 SharedResourcesDataSource::~SharedResourcesDataSource() {
 }
 
+std::string SharedResourcesDataSource::GetSource() {
+  return chrome::kChromeUIResourcesHost;
+}
+
 void SharedResourcesDataSource::StartDataRequest(const std::string& path,
                                                  bool is_incognito,
                                                  int request_id) {
@@ -57,7 +60,7 @@
   scoped_refptr<base::RefCountedStaticMemory> bytes(
       rb.LoadDataResourceBytes(idr));
 
-  SendResponse(request_id, bytes);
+  url_data_source()->SendResponse(request_id, bytes);
 }
 
 std::string SharedResourcesDataSource::GetMimeType(