Refactor ResourceHandler API.

content/browser/loader/resource_controller.h

Index: content/browser/loader/resource_controller.h
diff --git a/content/browser/loader/resource_controller.h b/content/browser/loader/resource_controller.h
index 98b2b72ff7069828335e815faae3dbc3a8a3c323..85672556ed5242ce72ed68161f87eb21e477bd2e 100644
--- a/content/browser/loader/resource_controller.h
+++ b/content/browser/loader/resource_controller.h
@@ -16,6 +16,8 @@ namespace content {
 // to cancel load with any other error code.
 class CONTENT_EXPORT ResourceController {
  public:
+  virtual ~ResourceController() {}
+
   virtual void Cancel() = 0;
   virtual void CancelAndIgnore() = 0;
   virtual void CancelWithError(int error_code) = 0;
@@ -24,9 +26,6 @@ class CONTENT_EXPORT ResourceController {
   // deferred. Guaranteed not to call back into the ResourceHandler, or destroy
   // it, synchronously.
   virtual void Resume() = 0;
-
- protected:
-  virtual ~ResourceController() {}
 };
 
 }  // namespace content