Convert app_bindings.js to the schema_generated_bindings.js infrastructure.

chrome/renderer/extensions/extension_dispatcher.h

Index: chrome/renderer/extensions/extension_dispatcher.h
diff --git a/chrome/renderer/extensions/extension_dispatcher.h b/chrome/renderer/extensions/extension_dispatcher.h
index 6e89a058680546bcbee3a5a4b2e931a1d3050da9..0c309efe7e2f6907205ef273d2b9a1e8b86d3f4b 100644
--- a/chrome/renderer/extensions/extension_dispatcher.h
+++ b/chrome/renderer/extensions/extension_dispatcher.h
@@ -14,6 +14,7 @@
 #include "base/timer.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "chrome/common/extensions/extension_set.h"
+#include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "chrome/renderer/extensions/chrome_v8_context_set.h"
 #include "v8/include/v8.h"
 
@@ -142,6 +143,11 @@ class ExtensionDispatcher : public content::RenderProcessObserver {
   // |world_id| if it's non-zero, or the URL in |frame| if it is.
   std::string GetExtensionID(WebKit::WebFrame* frame, int world_id);
 
+  // Gets the type of context that would be created for a v8 extension group
+  // on a frame.
+  ChromeV8Context::ContextType GetContextType(int extension_group,
+                                              WebKit::WebFrame* frame);
+
   // True if this renderer is running extensions.
   bool is_extension_process_;