Revert of [blink] Unique pointers in Platform.h

content/child/blink_platform_impl.cc

Index: content/child/blink_platform_impl.cc
diff --git a/content/child/blink_platform_impl.cc b/content/child/blink_platform_impl.cc
index e99bb3f585540547c3f4a1749078355f78baea13..5b03c650cd5294920354c7df334475516b508576 100644
--- a/content/child/blink_platform_impl.cc
+++ b/content/child/blink_platform_impl.cc
@@ -52,7 +52,6 @@
 #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"
@@ -403,14 +402,13 @@
   return CreateWebURLError(unreachableURL, false, net::ERR_ABORTED);
 }
 
-std::unique_ptr<blink::WebThread> BlinkPlatformImpl::CreateThread(
-    const char* name) {
+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 std::move(thread);
+  return thread.release();
 }
 
 void BlinkPlatformImpl::SetCompositorThread(
@@ -683,15 +681,14 @@
   return compositor_thread_;
 }
 
-std::unique_ptr<blink::WebGestureCurve>
-BlinkPlatformImpl::CreateFlingAnimationCurve(
+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());
+             gfx::Vector2dF(velocity.x, velocity.y),
+             gfx::Vector2dF(cumulative_scroll.width, cumulative_scroll.height),
+             IsMainThread()).release();
 }
 
 void BlinkPlatformImpl::DidStartWorkerThread() {
@@ -832,7 +829,7 @@
       ui::KeycodeConverter::KeyStringToDomKey(key_string.Utf8()));
 }
 
-std::unique_ptr<blink::WebFeaturePolicy> BlinkPlatformImpl::CreateFeaturePolicy(
+blink::WebFeaturePolicy* BlinkPlatformImpl::CreateFeaturePolicy(
     const blink::WebFeaturePolicy* parent_policy,
     const blink::WebParsedFeaturePolicy& container_policy,
     const blink::WebParsedFeaturePolicy& policy_header,
@@ -841,15 +838,16 @@
       static_cast<const FeaturePolicy*>(parent_policy),
       FeaturePolicyHeaderFromWeb(container_policy), url::Origin(origin));
   policy->SetHeaderPolicy(FeaturePolicyHeaderFromWeb(policy_header));
-  return std::move(policy);
-}
-
-std::unique_ptr<blink::WebFeaturePolicy>
-BlinkPlatformImpl::DuplicateFeaturePolicyWithOrigin(
+  return policy.release();
+}
+
+blink::WebFeaturePolicy* BlinkPlatformImpl::DuplicateFeaturePolicyWithOrigin(
     const blink::WebFeaturePolicy& policy,
     const blink::WebSecurityOrigin& new_origin) {
-  return FeaturePolicy::CreateFromPolicyWithOrigin(
-      static_cast<const FeaturePolicy&>(policy), url::Origin(new_origin));
+  std::unique_ptr<FeaturePolicy> new_policy =
+      FeaturePolicy::CreateFromPolicyWithOrigin(
+          static_cast<const FeaturePolicy&>(policy), url::Origin(new_origin));
+  return new_policy.release();
 }
 
 }  // namespace content