FBTF: Even more ctor/virtual deinlining.

media/base/callback.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Some basic utilities for aiding in the management of Tasks and Callbacks.
 //
 // AutoTaskRunner, and its brother AutoCallbackRunner are the scoped_ptr
 // equivalents for callbacks.  They are useful for ensuring a callback is
 // executed and delete in the face of multiple return points in a function.
 //
@@ skipping 33 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(AutoTaskRunner);
 };
 
 class AutoCallbackRunner {
  public:
   // Takes ownership of the callback.
   explicit AutoCallbackRunner(Callback0::Type* callback)
       : callback_(callback) {
   }
 
-  ~AutoCallbackRunner() {
-    if (callback_.get()) {
-      callback_->Run();
-    }
-  }
+  ~AutoCallbackRunner();
 
   Callback0::Type* release() { return callback_.release(); }
 
  private:
   scoped_ptr<Callback0::Type> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(AutoCallbackRunner);
 };
 
 class TaskToCallbackAdapter : public Callback0::Type {
@@ skipping 40 matching lines @@
  private:
   scoped_ptr<CallbackType> callback_;
   std::vector<Task*> run_when_done_;
 
   DISALLOW_COPY_AND_ASSIGN(CleanupCallback);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_CALLBACK_