Pass Callback to TaskRunner by value and consume it on invocation (1)

content/renderer/render_thread_impl_browsertest.cc

 // Copyright 2013 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <utility>
 
@@ skipping 66 matching lines @@
 namespace content {
 namespace {
 
 // FIXME: It would be great if there was a reusable mock SingleThreadTaskRunner
 class TestTaskCounter : public base::SingleThreadTaskRunner {
  public:
   TestTaskCounter() : count_(0) {}
 
   // SingleThreadTaskRunner implementation.
   bool PostDelayedTask(const tracked_objects::Location&,
-                       const base::Closure&,
+                       base::Closure,
                        base::TimeDelta) override {
     base::AutoLock auto_lock(lock_);
     count_++;
     return true;
   }
 
   bool PostNonNestableDelayedTask(const tracked_objects::Location&,
-                                  const base::Closure&,
+                                  base::Closure,
                                   base::TimeDelta) override {
     base::AutoLock auto_lock(lock_);
     count_++;
     return true;
   }
 
   bool RunsTasksOnCurrentThread() const override { return true; }
 
   int NumTasksPosted() const {
     base::AutoLock auto_lock(lock_);
@@ skipping 287 matching lines @@
                        // These formats are guaranteed to work on all platforms.
                        ::testing::Values(gfx::BufferFormat::R_8,
                                          gfx::BufferFormat::BGR_565,
                                          gfx::BufferFormat::RGBA_4444,
                                          gfx::BufferFormat::RGBA_8888,
                                          gfx::BufferFormat::BGRA_8888,
                                          gfx::BufferFormat::YVU_420)));
 
 }  // namespace
 }  // namespace content