Switch SupportsUserData uses to use unique_ptr.

android_webview/browser/browser_view_renderer.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 "android_webview/browser/browser_view_renderer.h"
 
 #include <utility>
 
 #include "android_webview/browser/browser_view_renderer_client.h"
 #include "android_webview/browser/compositor_frame_consumer.h"
@@ skipping 117 matching lines @@
   current_compositor_frame_consumer_ = compositor_frame_consumer;
   if (current_compositor_frame_consumer_) {
     compositor_frame_consumers_.insert(current_compositor_frame_consumer_);
     current_compositor_frame_consumer_->SetCompositorFrameProducer(this);
     OnParentDrawConstraintsUpdated(current_compositor_frame_consumer_);
   }
 }
 
 void BrowserViewRenderer::RegisterWithWebContents(
     content::WebContents* web_contents) {
-  web_contents->SetUserData(kBrowserViewRendererUserDataKey,
-                            new BrowserViewRendererUserData(this));
+  web_contents->SetUserData(
+      kBrowserViewRendererUserDataKey,
+      base::MakeUnique<BrowserViewRendererUserData>(this));
 }
 
 void BrowserViewRenderer::TrimMemory() {
   DCHECK(ui_task_runner_->BelongsToCurrentThread());
   TRACE_EVENT0("android_webview", "BrowserViewRenderer::TrimMemory");
   // Just set the memory limit to 0 and drop all tiles. This will be reset to
   // normal levels in the next DrawGL call.
   if (!offscreen_pre_raster_)
     ReleaseHardware();
 }
@@ skipping 624 matching lines @@
   base::StringAppendF(&str,
                       "overscroll_rounding_error_: %s ",
                       overscroll_rounding_error_.ToString().c_str());
   base::StringAppendF(
       &str, "on_new_picture_enable: %d ", on_new_picture_enable_);
   base::StringAppendF(&str, "clear_view: %d ", clear_view_);
   return str;
 }
 
 }  // namespace android_webview