Add popup layout tests with device scale factor

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 2166 matching lines @@
   RenderWidget::convertViewportToWindow(rect);
 }
 
 gfx::RectF RenderViewImpl::ElementBoundsInWindow(
     const blink::WebElement& element) {
   blink::WebRect bounding_box_in_window = element.boundsInViewport();
   convertViewportToWindow(&bounding_box_in_window);
   return gfx::RectF(bounding_box_in_window);
 }
 
+float RenderViewImpl::GetDeviceScaleFactorForTest() const {
+  return device_scale_factor_;
+}
+
 void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
                                    WebIconURL::Type icon_type) {
   if (frame->parent())
     return;
 
   WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
   std::vector<FaviconURL> urls;
   for (size_t i = 0; i < icon_urls.size(); i++) {
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
@@ skipping 1520 matching lines @@
   }
   SendUpdateFaviconURL(urls);
 }
 
 void RenderViewImpl::UpdateWebViewWithDeviceScaleFactor() {
   if (!webview())
     return;
   if (IsUseZoomForDSFEnabled()) {
     webview()->setZoomFactorForDeviceScaleFactor(device_scale_factor_);
   } else {
+    LOG(ERROR) << "Update Device Scale Factor:" << device_scale_factor_;
     webview()->setDeviceScaleFactor(device_scale_factor_);
+    LOG(ERROR) << "DSF=" << webview()->deviceScaleFactor();

[oshima, 2016/01/08 22:27:55]

this is deleted in next patch.

[Noel Gordon, 2016/01/09 03:23:50]

Acknowledged.

   }
   webview()->settings()->setPreferCompositingToLCDTextEnabled(
       PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
 }
 
 }  // namespace content