Stop using ResourceController in ResourceThrottle

content/public/browser/resource_throttle.h

Index: content/public/browser/resource_throttle.h
diff --git a/content/public/browser/resource_throttle.h b/content/public/browser/resource_throttle.h
index da1054c86cfb5c26bf2890fa82190fcb934c2400..53bae0682ffd53ee4a439ac09639b34bfbb8755d 100644
--- a/content/public/browser/resource_throttle.h
+++ b/content/public/browser/resource_throttle.h
@@ -24,6 +24,17 @@ class ThrottlingResourceHandler;
 // time.
 class CONTENT_EXPORT ResourceThrottle {
  public:
+  class CONTENT_EXPORT Delegate {
+   public:
+    virtual void Cancel() = 0;

[jochen (gone - plz use gerrit), 2016/12/05 15:25:03]

please add comments explaining the delegate and every virtual method

[tyoshino (SeeGerritForStatus), 2016/12/06 11:25:31]

Done.

+    virtual void CancelAndIgnore() = 0;
+    virtual void CancelWithError(int error_code) = 0;
+    virtual void Resume() = 0;
+
+   protected:
+    virtual ~Delegate() {}
+  };
+
   virtual ~ResourceThrottle() {}
 
   // Called before the resource request is started.
@@ -51,20 +62,22 @@ class CONTENT_EXPORT ResourceThrottle {
   // WillProcessResponse.
   virtual bool MustProcessResponseBeforeReadingBody();
 
-  void set_controller_for_testing(ResourceController* c) {
-    controller_ = c;
-  }
+  void set_delegate_for_testing(Delegate* delegate) { delegate_ = delegate; }
 
  protected:
-  ResourceThrottle() : controller_(nullptr) {}
-  ResourceController* controller() { return controller_; }
+  ResourceThrottle() : delegate_(nullptr) {}
+
+  void Cancel();

[jochen (gone - plz use gerrit), 2016/12/05 15:25:03]

please add comments here as well

[tyoshino (SeeGerritForStatus), 2016/12/06 11:25:31]

Done.

+  void CancelAndIgnore();
+  void CancelWithError(int error_code);
+  void Resume();
 
  private:
   friend class AsyncRevalidationDriver;
   friend class ThrottlingResourceHandler;
-  void set_controller(ResourceController* c) { controller_ = c; }
+  void set_delegate(Delegate* delegate) { delegate_ = delegate; }
 
-  ResourceController* controller_;
+  Delegate* delegate_;
 };
 
 }  // namespace content