[BlobAsync] Faster shortcuttin, make renderer controller leaky & alive.

content/public/browser/render_process_host.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 180 matching lines @@
 
   // Schedules the host for deletion and removes it from the all_hosts list.
   virtual void Cleanup() = 0;
 
   // Track the count of pending views that are being swapped back in.  Called
   // by listeners to register and unregister pending views to prevent the
   // process from exiting.
   virtual void AddPendingView() = 0;
   virtual void RemovePendingView() = 0;
 
-  // Sets a flag indicating that the process can be abnormally terminated.
+  // Sets a flag indicating that the process can be abnormally terminated. This
+  // will act like a refcounted system so multiple calls with 'false' will need
+  // the same number of calls with 'true' to enable sudden termination.
   virtual void SetSuddenTerminationAllowed(bool allowed) = 0;
   // Returns true if the process can be abnormally terminated.
   virtual bool SuddenTerminationAllowed() const = 0;
 
   // Returns how long the child has been idle. The definition of idle
   // depends on when a derived class calls mark_child_process_activity_time().
   // This is a rough indicator and its resolution should not be better than
   // 10 milliseconds.
   virtual base::TimeDelta GetChildProcessIdleTime() const = 0;
 
@@ skipping 141 matching lines @@
   static void SetMaxRendererProcessCount(size_t count);
 
   // Returns the current maximum number of renderer process hosts kept by the
   // content module.
   static size_t GetMaxRendererProcessCount();
 };
 
 }  // namespace content.
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_