gpu: Some cleanups.

content/browser/gpu/gpu_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_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 73 matching lines @@
 
   static bool gpu_enabled() { return gpu_enabled_; }
   static int gpu_crash_count() { return gpu_crash_count_; }
 
   // Creates a new GpuProcessHost (if |force_create| is turned on) or gets an
   // existing one, resulting in the launching of a GPU process if required.
   // Returns null on failure. It is not safe to store the pointer once control
   // has returned to the message loop as it can be destroyed. Instead store the
   // associated GPU host ID.  This could return NULL if GPU access is not
   // allowed (blacklisted).
-  CONTENT_EXPORT static GpuProcessHost* Get(GpuProcessKind kind,
-                                            bool force_create = true);
+  CONTENT_EXPORT static GpuProcessHost* Get(
+      GpuProcessKind kind = GPU_PROCESS_KIND_SANDBOXED,
+      bool force_create = true);
 
-  // Retrieves a list of process handles for all gpu processes.
-  static void GetProcessHandles(
-      const GpuDataManager::GetGpuProcessHandlesCallback& callback);
+  // Returns whether there is an active GPU process or not.
+  static void GetHasGpuProcess(const base::Callback<void(bool)>& callback);
 
   // Helper function to run a callback on the IO thread. The callback receives
   // the appropriate GpuProcessHost instance. Note that the callback can be
   // called with a null host (e.g. when |force_create| is false, and no
   // GpuProcessHost instance exists).
   CONTENT_EXPORT static void CallOnIO(
       GpuProcessKind kind,
       bool force_create,
       const base::Callback<void(GpuProcessHost*)>& callback);
 
@@ skipping 185 matching lines @@
   gpu::GpuProcessHostActivityFlags activity_flags_;
 
   base::WeakPtrFactory<GpuProcessHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_