Revert of [blink] Unique pointers in Platform.h

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index b90a58b1a09438f941058bf0205facebf41dda66..37eb2fce4c06bb59c14568cffbd436c61578f3fa 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -696,11 +696,11 @@
       fling_source_device_ = event.source_device;
       DCHECK_NE(fling_source_device_, kWebGestureDeviceUninitialized);
       std::unique_ptr<WebGestureCurve> fling_curve =
-          Platform::Current()->CreateFlingAnimationCurve(
+          WTF::WrapUnique(Platform::Current()->CreateFlingAnimationCurve(
               event.source_device,
               WebFloatPoint(event.data.fling_start.velocity_x,
                             event.data.fling_start.velocity_y),
-              WebSize());
+              WebSize()));
       DCHECK(fling_curve);
       gesture_animation_ = WebActiveGestureAnimation::CreateAtAnimationStart(
           std::move(fling_curve), this);
@@ -1008,9 +1008,9 @@
   global_position_on_fling_start_ = parameters.global_point;
   fling_modifier_ = parameters.modifiers;
   std::unique_ptr<WebGestureCurve> curve =
-      Platform::Current()->CreateFlingAnimationCurve(
+      WTF::WrapUnique(Platform::Current()->CreateFlingAnimationCurve(
           parameters.source_device, WebFloatPoint(parameters.delta),
-          parameters.cumulative_scroll);
+          parameters.cumulative_scroll));
   DCHECK(curve);
   gesture_animation_ = WebActiveGestureAnimation::CreateWithTimeOffset(
       std::move(curve), this, parameters.start_time);