convert //gpu to std::unique_ptr

gpu/command_buffer/service/framebuffer_manager.cc

 // 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.
 
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
@@ skipping 420 matching lines @@
         DCHECK(GLES2Util::IsSignedIntegerFormat(internal_format));
         const static GLint kZero[] = { 0, 0, 0, 0 };
         glClearBufferiv(GL_COLOR, drawbuffer, kZero);
       }
       it->second->SetCleared(renderbuffer_manager, nullptr, true);
     }
   }
 }
 
 bool Framebuffer::PrepareDrawBuffersForClear() const {
-  scoped_ptr<GLenum[]> buffers(new GLenum[manager_->max_draw_buffers_]);
+  std::unique_ptr<GLenum[]> buffers(new GLenum[manager_->max_draw_buffers_]);
   for (uint32_t i = 0; i < manager_->max_draw_buffers_; ++i)
     buffers[i] = GL_NONE;
   for (AttachmentMap::const_iterator it = attachments_.begin();
        it != attachments_.end(); ++it) {
     if (it->first >= GL_COLOR_ATTACHMENT0 &&
         it->first < GL_COLOR_ATTACHMENT0 + manager_->max_draw_buffers_ &&
         !it->second->cleared()) {
       // There should be no partially cleared images, uncleared int/3d images.
       // This is because ClearUnclearedIntOr3DImagesOrPartiallyClearedImages()
       // is called before this.
@@ skipping 389 matching lines @@
 
 bool FramebufferManager::IsComplete(
     Framebuffer* framebuffer) {
   DCHECK(framebuffer);
   return framebuffer->framebuffer_complete_state_count_id() ==
       framebuffer_state_change_count_;
 }
 
 }  // namespace gles2
 }  // namespace gpu