Update SupportsUserData uses with unique_ptr.

content/browser/android/content_view_core_impl.cc

 // Copyright 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 "content/browser/android/content_view_core_impl.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/output/begin_frame_args.h"
 #include "content/browser/accessibility/browser_accessibility_manager_android.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/android/gesture_event_type.h"
@@ skipping 292 matching lines @@
           SetContentViewCore(NULL);
 }
 
 void ContentViewCoreImpl::InitWebContents() {
   DCHECK(web_contents_);
   static_cast<WebContentsViewAndroid*>(
       static_cast<WebContentsImpl*>(web_contents_)->GetView())->
           SetContentViewCore(this);
   DCHECK(!web_contents_->GetUserData(kContentViewUserDataKey));
   web_contents_->SetUserData(kContentViewUserDataKey,
-                             new ContentViewUserData(this));
+                             base::MakeUnique<ContentViewUserData>(this));
 }
 
 void ContentViewCoreImpl::RenderViewReady() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (!obj.is_null())
     Java_ContentViewCore_onRenderProcessChange(env, obj);
 
   if (device_orientation_ != 0)
     SendOrientationChangeEventInternal();
@@ skipping 936 matching lines @@
     return ScopedJavaLocalRef<jobject>();
 
   return view->GetJavaObject();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content