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

chrome/browser/printing/cloud_print/cloud_print_setup_source.cc

Index: chrome/browser/printing/cloud_print/cloud_print_setup_source.cc
===================================================================
--- chrome/browser/printing/cloud_print/cloud_print_setup_source.cc	(revision 176443)
+++ chrome/browser/printing/cloud_print/cloud_print_setup_source.cc	(working copy)
@@ -9,7 +9,9 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/google/google_util.h"
+#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/common/jstemplate_builder.h"
+#include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 #include "grit/browser_resources.h"
 #include "grit/chromium_strings.h"
@@ -38,10 +40,13 @@
 
 }  // namespace
 
-CloudPrintSetupSource::CloudPrintSetupSource()
-  : DataSource(chrome::kChromeUICloudPrintSetupHost, MessageLoop::current()) {
+CloudPrintSetupSource::CloudPrintSetupSource() {
 }
 
+std::string CloudPrintSetupSource::GetSource() {
+  return chrome::kChromeUICloudPrintSetupHost;
+}
+
 void CloudPrintSetupSource::StartDataRequest(const std::string& path_raw,
                                              bool is_incognito,
                                              int request_id) {
@@ -68,7 +73,7 @@
 
     static const base::StringPiece html(ResourceBundle::GetSharedInstance()
         .GetRawDataResource(IDR_CLOUD_PRINT_SETUP_LOGIN_HTML));
-    SetFontAndTextDirection(dict);
+    URLDataSource::SetFontAndTextDirection(dict);
     response = jstemplate_builder::GetI18nTemplateHtml(html, dict);
   } else if (path_raw == kCloudPrintGaiaLoginPath) {
     // Start by setting the per-locale URLs we show on the setup wizard.
@@ -104,7 +109,7 @@
 
     static const base::StringPiece html(ResourceBundle::GetSharedInstance()
         .GetRawDataResource(IDR_GAIA_LOGIN_HTML));
-    SetFontAndTextDirection(dict);
+    URLDataSource::SetFontAndTextDirection(dict);
     response = jstemplate_builder::GetI18nTemplateHtml(html, dict);
   } else if (path_raw == kCloudPrintSetupDonePath) {
     AddString(dict, "testpage", IDS_CLOUD_PRINT_SETUP_TEST_PAGE);
@@ -112,7 +117,7 @@
     AddString(dict, "okay", IDS_SYNC_SETUP_OK_BUTTON_LABEL);
     static const base::StringPiece html(ResourceBundle::GetSharedInstance()
         .GetRawDataResource(IDR_CLOUD_PRINT_SETUP_DONE_HTML));
-    SetFontAndTextDirection(dict);
+    URLDataSource::SetFontAndTextDirection(dict);
     response = jstemplate_builder::GetI18nTemplateHtml(html, dict);
   } else if (path_raw == kCloudPrintSetupFlowPath) {
     static const base::StringPiece html(
@@ -121,7 +126,8 @@
     response = html.as_string();
   }
 
-  SendResponse(request_id, base::RefCountedString::TakeString(&response));
+  url_data_source()->SendResponse(
+      request_id, base::RefCountedString::TakeString(&response));
 }
 
 std::string CloudPrintSetupSource::GetMimeType(const std::string& path) const {