Add display::GetDisplayNearestView

chrome/browser/thumbnails/thumbnail_tab_helper.cc

 // Copyright (c) 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 "chrome/browser/thumbnails/thumbnail_tab_helper.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/thumbnails/thumbnail_service.h"
@@ skipping 150 matching lines @@
   }
 
   scoped_refptr<thumbnails::ThumbnailingAlgorithm> algorithm(
       thumbnail_service->GetThumbnailingAlgorithm());
 
   thumbnailing_context_ = new ThumbnailingContext(web_contents(),
                                                   thumbnail_service.get(),
                                                   load_interrupted_);
 
   ui::ScaleFactor scale_factor =
-      ui::GetSupportedScaleFactor(
-          ui::GetScaleFactorForNativeView(view->GetNativeView()));
+      ui::GetSupportedScaleFactor(view->GetScaleFactorForNativeView());
   thumbnailing_context_->clip_result = algorithm->GetCanvasCopyInfo(
       copy_rect.size(),
       scale_factor,
       &copy_rect,
       &thumbnailing_context_->requested_copy_size);
   render_widget_host->CopyFromBackingStore(
       copy_rect,
       thumbnailing_context_->requested_copy_size,
       base::Bind(&ThumbnailTabHelper::ProcessCapturedBitmap,
                  weak_factory_.GetWeakPtr(),
@@ skipping 51 matching lines @@
       content::Source<RenderWidgetHost>(renderer->GetWidget()));
   if (!registered) {
     registrar_.Add(this, content::NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
                    content::Source<RenderWidgetHost>(renderer->GetWidget()));
   }
 }
 
 void ThumbnailTabHelper::WidgetHidden(RenderWidgetHost* widget) {
   UpdateThumbnailIfNecessary();
 }