Convert //cc from scoped_ptr to std::unique_ptr.

cc/test/test_context_provider.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 "cc/test/test_context_provider.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 22 matching lines @@
     return nullptr;
   // Worker contexts are bound to the thread they are created on.
   if (!worker_context_provider->BindToCurrentThread())
     return nullptr;
   worker_context_provider->SetupLock();
   return worker_context_provider;
 }
 
 // static
 scoped_refptr<TestContextProvider> TestContextProvider::Create(
-    scoped_ptr<TestWebGraphicsContext3D> context) {
+    std::unique_ptr<TestWebGraphicsContext3D> context) {
   if (!context)
     return NULL;
   return new TestContextProvider(std::move(context));
 }
 
 TestContextProvider::TestContextProvider(
-    scoped_ptr<TestWebGraphicsContext3D> context)
+    std::unique_ptr<TestWebGraphicsContext3D> context)
     : context3d_(std::move(context)),
       context_gl_(new TestGLES2Interface(context3d_.get())),
       bound_(false),
       weak_ptr_factory_(this) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
   DCHECK(context3d_);
   context_thread_checker_.DetachFromThread();
   context3d_->set_test_support(&support_);
 }
 
@@ skipping 107 matching lines @@
   DCHECK(lost_context_callback_.is_null() || cb.is_null());
   lost_context_callback_ = cb;
 }
 
 void TestContextProvider::SetMaxTransferBufferUsageBytes(
     size_t max_transfer_buffer_usage_bytes) {
   context3d_->SetMaxTransferBufferUsageBytes(max_transfer_buffer_usage_bytes);
 }
 
 }  // namespace cc