Plumbs through screen size and scale factor to html_viewer

components/native_viewport/platform_viewport_x11.cc

 // Copyright 2013 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 "components/native_viewport/platform_viewport.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/converters/input_events/input_events_type_converters.h"
@@ skipping 33 matching lines @@
 
  private:
   // Overridden from PlatformViewport:
   void Init(const gfx::Rect& bounds) override {
     CHECK(!event_source_);
     CHECK(!platform_window_);
 
     event_source_ = ui::PlatformEventSource::CreateDefault();
 
     metrics_ = mojo::ViewportMetrics::New();
+    // TODO(sky): make density real.
+    metrics_->device_pixel_ratio = 1.f;
     metrics_->size = mojo::Size::From(bounds.size());
 
     platform_window_.reset(new ui::X11Window(this));
     platform_window_->SetBounds(bounds);
   }
 
   void Show() override { platform_window_->Show(); }
 
   void Hide() override { platform_window_->Hide(); }
 
@@ skipping 75 matching lines @@
 
   void OnCloseRequest() override { platform_window_->Close(); }
 
   void OnClosed() override { delegate_->OnDestroyed(); }
 
   void OnWindowStateChanged(ui::PlatformWindowState state) override {}
 
   void OnLostCapture() override {}
 
   void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) override {
-    delegate_->OnAcceleratedWidgetAvailable(widget);
+    delegate_->OnAcceleratedWidgetAvailable(widget,
+                                            metrics_->device_pixel_ratio);
   }
 
   void OnActivationChanged(bool active) override {}
 
   scoped_ptr<ui::PlatformEventSource> event_source_;
   scoped_ptr<ui::PlatformWindow> platform_window_;
   Delegate* delegate_;
   mojo::ViewportMetricsPtr metrics_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformViewportX11);
 };
 
 // static
 scoped_ptr<PlatformViewport> PlatformViewport::Create(Delegate* delegate) {
   return make_scoped_ptr(new PlatformViewportX11(delegate));
 }
 
 }  // namespace native_viewport