[blink] Unique pointers in Platform.h

content/shell/renderer/layout_test/layout_test_content_renderer_client.cc

 // Copyright (c) 2014 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/shell/renderer/layout_test/layout_test_content_renderer_client.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/memory/ptr_util.h"
@@ skipping 16 matching lines @@
 #include "content/shell/test_runner/web_frame_test_proxy.h"
 #include "content/shell/test_runner/web_test_interfaces.h"
 #include "content/shell/test_runner/web_test_runner.h"
 #include "content/shell/test_runner/web_view_test_proxy.h"
 #include "content/test/mock_webclipboard_impl.h"
 #include "gin/modules/module_registry.h"
 #include "media/base/audio_latency.h"
 #include "media/media_features.h"
 #include "third_party/WebKit/public/platform/WebAudioLatencyHint.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
+#include "third_party/WebKit/public/platform/WebRTCPeerConnectionHandler.h"
+#include "third_party/WebKit/public/platform/modules/webmidi/WebMIDIAccessor.h"
 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebPluginParams.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebTestingSupport.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "ui/gfx/icc_profile.h"
 #include "v8/include/v8.h"
 
 using blink::WebAudioDevice;
@@ skipping 109 matching lines @@
 
   BlinkTestRunner* test_runner = BlinkTestRunner::Get(render_view);
   test_runner->Reset(false /* for_new_test */);
 
   LayoutTestRenderThreadObserver::GetInstance()
       ->test_interfaces()
       ->TestRunner()
       ->InitializeWebViewWithMocks(render_view->GetWebView());
 }
 
-WebMediaStreamCenter*
+std::unique_ptr<WebMediaStreamCenter>
 LayoutTestContentRendererClient::OverrideCreateWebMediaStreamCenter(
     WebMediaStreamCenterClient* client) {
 #if BUILDFLAG(ENABLE_WEBRTC)
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
   return interfaces->CreateMediaStreamCenter(client);
 #else
-  return NULL;
+  return nullptr;
 #endif
 }
 
-WebRTCPeerConnectionHandler*
+std::unique_ptr<WebRTCPeerConnectionHandler>
 LayoutTestContentRendererClient::OverrideCreateWebRTCPeerConnectionHandler(
     WebRTCPeerConnectionHandlerClient* client) {
 #if BUILDFLAG(ENABLE_WEBRTC)
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
   return interfaces->CreateWebRTCPeerConnectionHandler(client);
 #else
-  return NULL;
+  return nullptr;
 #endif
 }
 
-WebMIDIAccessor*
+std::unique_ptr<WebMIDIAccessor>
 LayoutTestContentRendererClient::OverrideCreateMIDIAccessor(
     WebMIDIAccessorClient* client) {
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
   return interfaces->CreateMIDIAccessor(client);
 }
 
-WebAudioDevice* LayoutTestContentRendererClient::OverrideCreateAudioDevice(
+std::unique_ptr<WebAudioDevice>
+LayoutTestContentRendererClient::OverrideCreateAudioDevice(
     const blink::WebAudioLatencyHint& latency_hint) {
   const double hw_buffer_size = 128;
   const double hw_sample_rate = 44100;
   double buffer_size = 0;
   switch (latency_hint.Category()) {
     case blink::WebAudioLatencyHint::kCategoryInteractive:
       buffer_size =
           media::AudioLatency::GetInteractiveBufferSize(hw_buffer_size);
       break;
     case blink::WebAudioLatencyHint::kCategoryBalanced:
@@ skipping 71 matching lines @@
           switches::kStableReleaseMode)) {
     blink::WebRuntimeFeatures::EnableTestOnlyFeatures(true);
   }
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableFontAntialiasing)) {
     blink::SetFontAntialiasingEnabledForTest(true);
   }
 }
 
 }  // namespace content