Remove the HANDLED_EXTERNALLY status code.

content/public/browser/resource_controller.h

Index: content/public/browser/resource_controller.h
diff --git a/content/public/browser/resource_controller.h b/content/public/browser/resource_controller.h
index 17c0eabafe7ef01aa03c3dad9b920d92acf04392..7149e08b3b16bc41277f82c90b0f2f9613aa058c 100644
--- a/content/public/browser/resource_controller.h
+++ b/content/public/browser/resource_controller.h
@@ -8,10 +8,12 @@
 namespace content {
 
 // Used to either resume a deferred resource load or cancel a resource load at
-// any time.
+// any time.  CancelAndIgnore is a variation of Cancel that also causes the
+// requester of the resource to act like the request was never made.
 class ResourceController {
  public:
   virtual void Cancel() = 0;
+  virtual void CancelAndIgnore() = 0;
   virtual void Resume() = 0;
  protected:
   virtual ~ResourceController() {}