[blink] Unique pointers in Platform.h

content/child/blink_platform_impl.cc

 // Copyright 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/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <memory>
 #include <vector>
@@ skipping 34 matching lines @@
 #include "content/child/push_messaging/push_provider.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/child/web_url_request_util.h"
 #include "content/child/worker_thread_registry.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/service_manager_connection.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/platform/WebData.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
+#include "third_party/WebKit/public/platform/WebGestureCurve.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/scheduler/child/webthread_base.h"
 #include "third_party/zlib/google/compression_utils.h"
 #include "ui/base/layout.h"
 #include "ui/events/gestures/blink/web_gesture_curve_impl.h"
 #include "ui/events/keycodes/dom/keycode_converter.h"
 
 using blink::WebData;
@@ skipping 330 matching lines @@
 
 WebString BlinkPlatformImpl::UserAgent() {
   return blink::WebString::FromUTF8(GetContentClient()->GetUserAgent());
 }
 
 WebURLError BlinkPlatformImpl::CancelledError(
     const WebURL& unreachableURL) const {
   return CreateWebURLError(unreachableURL, false, net::ERR_ABORTED);
 }
 
-blink::WebThread* BlinkPlatformImpl::CreateThread(const char* name) {
+std::unique_ptr<blink::WebThread> BlinkPlatformImpl::CreateThread(
+    const char* name) {
   std::unique_ptr<blink::scheduler::WebThreadBase> thread =
       blink::scheduler::WebThreadBase::CreateWorkerThread(
           name, base::Thread::Options());
   thread->Init();
   WaitUntilWebThreadTLSUpdate(thread.get());
-  return thread.release();
+  return std::move(thread);
 }
 
 void BlinkPlatformImpl::SetCompositorThread(
     blink::scheduler::WebThreadBase* compositor_thread) {
   compositor_thread_ = compositor_thread;
   if (compositor_thread_)
     WaitUntilWebThreadTLSUpdate(compositor_thread_);
 }
 
 blink::WebThread* BlinkPlatformImpl::CurrentThread() {
@@ skipping 252 matching lines @@
   values.push_back(value1.Utf16());
   values.push_back(value2.Utf16());
   return WebString::FromUTF16(base::ReplaceStringPlaceholders(
       GetContentClient()->GetLocalizedString(message_id), values, NULL));
 }
 
 blink::WebThread* BlinkPlatformImpl::CompositorThread() const {
   return compositor_thread_;
 }
 
-blink::WebGestureCurve* BlinkPlatformImpl::CreateFlingAnimationCurve(
+std::unique_ptr<blink::WebGestureCurve>
+BlinkPlatformImpl::CreateFlingAnimationCurve(
     blink::WebGestureDevice device_source,
     const blink::WebFloatPoint& velocity,
     const blink::WebSize& cumulative_scroll) {
   return ui::WebGestureCurveImpl::CreateFromDefaultPlatformCurve(
-             gfx::Vector2dF(velocity.x, velocity.y),
-             gfx::Vector2dF(cumulative_scroll.width, cumulative_scroll.height),
-             IsMainThread()).release();
+      gfx::Vector2dF(velocity.x, velocity.y),
+      gfx::Vector2dF(cumulative_scroll.width, cumulative_scroll.height),
+      IsMainThread());
 }
 
 void BlinkPlatformImpl::DidStartWorkerThread() {
   WorkerThreadRegistry::Instance()->DidStartCurrentWorkerThread();
 }
 
 void BlinkPlatformImpl::WillStopWorkerThread() {
   WorkerThreadRegistry::Instance()->WillStopCurrentWorkerThread();
 }
 
@@ skipping 120 matching lines @@
 WebString BlinkPlatformImpl::DomKeyStringFromEnum(int dom_key) {
   return WebString::FromUTF8(ui::KeycodeConverter::DomKeyToKeyString(
       static_cast<ui::DomKey>(dom_key)));
 }
 
 int BlinkPlatformImpl::DomKeyEnumFromString(const WebString& key_string) {
   return static_cast<int>(
       ui::KeycodeConverter::KeyStringToDomKey(key_string.Utf8()));
 }
 
-blink::WebFeaturePolicy* BlinkPlatformImpl::CreateFeaturePolicy(
+std::unique_ptr<blink::WebFeaturePolicy> BlinkPlatformImpl::CreateFeaturePolicy(
     const blink::WebFeaturePolicy* parent_policy,
     const blink::WebParsedFeaturePolicy& container_policy,
     const blink::WebParsedFeaturePolicy& policy_header,
     const blink::WebSecurityOrigin& origin) {
   std::unique_ptr<FeaturePolicy> policy = FeaturePolicy::CreateFromParentPolicy(
       static_cast<const FeaturePolicy*>(parent_policy),
       FeaturePolicyHeaderFromWeb(container_policy), url::Origin(origin));
   policy->SetHeaderPolicy(FeaturePolicyHeaderFromWeb(policy_header));
-  return policy.release();
+  return std::move(policy);
 }
 
-blink::WebFeaturePolicy* BlinkPlatformImpl::DuplicateFeaturePolicyWithOrigin(
+std::unique_ptr<blink::WebFeaturePolicy>
+BlinkPlatformImpl::DuplicateFeaturePolicyWithOrigin(
     const blink::WebFeaturePolicy& policy,
     const blink::WebSecurityOrigin& new_origin) {
-  std::unique_ptr<FeaturePolicy> new_policy =
-      FeaturePolicy::CreateFromPolicyWithOrigin(
-          static_cast<const FeaturePolicy&>(policy), url::Origin(new_origin));
-  return new_policy.release();
+  return FeaturePolicy::CreateFromPolicyWithOrigin(
+      static_cast<const FeaturePolicy&>(policy), url::Origin(new_origin));
 }
 
 }  // namespace content