Adds new webview.loadDataWithBaseUrl API to allow data URLs to be loaded with a specified base URL …

extensions/browser/guest_view/web_view/web_view_guest.h

Index: extensions/browser/guest_view/web_view/web_view_guest.h
diff --git a/extensions/browser/guest_view/web_view/web_view_guest.h b/extensions/browser/guest_view/web_view/web_view_guest.h
index b4ee35c463d8faa39eacb7f8561152aa3a9ea1e3..ccf52edfc5b3f91ece191530996e49e338d5081d 100644
--- a/extensions/browser/guest_view/web_view/web_view_guest.h
+++ b/extensions/browser/guest_view/web_view/web_view_guest.h
@@ -77,6 +77,12 @@ class WebViewGuest : public GuestView<WebViewGuest>,
   // Sets the transparency of the guest.
   void SetAllowTransparency(bool allow);
 
+  // Loads a data URL with a specified base URL and virtual URL.
+  bool LoadDataWithBaseURL(const std::string& data_url,
+                           const std::string& base_url,
+                           const std::string& virtual_url,
+                           std::string* error);
+
   // GuestViewBase implementation.
   virtual const char* GetAPINamespace() const OVERRIDE;
   virtual int GetTaskPrefix() const OVERRIDE;