Move weburlresponse_extradata_impl.* from webkit/ to content/.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 0bc24bdc7401a72e7194c9a906cfc5afa35f517d..d63460c72c1adf5aa170fb89c664338e304e3a1e 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -114,16 +114,12 @@ struct WebWindowFeatures;
 #if defined(OS_ANDROID)
 class WebHitTestResult;
 #endif
-}  // namespace blink
+}
 
 namespace ui {
 struct SelectedFileInfo;
 }
 
-namespace webkit_glue {
-class WebURLResponseExtraDataImpl;
-}
-
 namespace content {
 class BrowserPluginManager;
 class DevToolsAgent;