Change manifest handler interface to always (implicitly) pass the entire manifest to handlers.

chrome/common/extensions/api/omnibox/omnibox_handler.h

Index: chrome/common/extensions/api/omnibox/omnibox_handler.h
diff --git a/chrome/common/extensions/api/omnibox/omnibox_handler.h b/chrome/common/extensions/api/omnibox/omnibox_handler.h
index d3efed08886674776281a57d6eb37698d1c19209..0a0e5468ef613bb27e1e1e4af06ecd95c8a0f9c2 100644
--- a/chrome/common/extensions/api/omnibox/omnibox_handler.h
+++ b/chrome/common/extensions/api/omnibox/omnibox_handler.h
@@ -33,9 +33,7 @@ class OmniboxHandler : public ManifestHandler {
   OmniboxHandler();
   virtual ~OmniboxHandler();
 
-  virtual bool Parse(const base::Value* value,
-                     Extension* extension,
-                     string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
 };
 
 }  // namespace extensions