Generalize content::URLDataSource so that it can be used by the network service.

chrome/browser/ui/webui/theme_source.cc

Index: chrome/browser/ui/webui/theme_source.cc
diff --git a/chrome/browser/ui/webui/theme_source.cc b/chrome/browser/ui/webui/theme_source.cc
index a0c050214caabf5d9badef66b84c1811d3f52579..2bcf02cbc1bab52a7980f88b3faa00cb9cb2975d 100644
--- a/chrome/browser/ui/webui/theme_source.cc
+++ b/chrome/browser/ui/webui/theme_source.cc
@@ -183,10 +183,15 @@ bool ThemeSource::AllowCaching() const {
   return false;
 }
 
-bool ThemeSource::ShouldServiceRequest(const net::URLRequest* request) const {
-  return request->url().SchemeIs(chrome::kChromeSearchScheme) ?
-      InstantIOContext::ShouldServiceRequest(request) :
-      URLDataSource::ShouldServiceRequest(request);
+bool ThemeSource::ShouldServiceRequest(
+    const GURL& url,
+    content::ResourceContext* resource_context,
+    int render_process_id) const {
+  return url.SchemeIs(chrome::kChromeSearchScheme)
+             ? InstantIOContext::ShouldServiceRequest(url, resource_context,
+                                                      render_process_id)
+             : URLDataSource::ShouldServiceRequest(url, resource_context,
+                                                   render_process_id);
 }
 
 ////////////////////////////////////////////////////////////////////////////////