Plumb physical backing size from RWHV to renderer CC.

content/renderer/render_widget_fullscreen_pepper.cc

Index: content/renderer/render_widget_fullscreen_pepper.cc
diff --git a/content/renderer/render_widget_fullscreen_pepper.cc b/content/renderer/render_widget_fullscreen_pepper.cc
index c1cba49147252be613660999230350eff3597404..c8b6b0b618437391476a7175df496e400b32af2c 100644
--- a/content/renderer/render_widget_fullscreen_pepper.cc
+++ b/content/renderer/render_widget_fullscreen_pepper.cc
@@ -519,15 +519,19 @@ RenderWidgetFullscreenPepper::GetBitmapForOptimizedPluginPaint(
 }
 
 void RenderWidgetFullscreenPepper::OnResize(const gfx::Size& size,
-                                            const gfx::Rect& resizer_rect,
-                                            bool is_fullscreen) {
+    const gfx::Size& physical_backing_size,
+    const gfx::Rect& resizer_rect,
+    bool is_fullscreen) {
   if (context_) {
+    // FIXME: Try using physical_backing_size here instead of manually

[piman, 2013/02/27 08:12:11]

nit: style is TODO(aelias):

I think you can do just that here and use physical_backing_size. This is only
used by Pepper Flash, it's rather easy to check if it's right.

+    // scaling by deviceScaleFactor.
     gfx::Size pixel_size = gfx::ToFlooredSize(
         gfx::ScaleSize(size, deviceScaleFactor()));
     context_->reshape(pixel_size.width(), pixel_size.height());
     context_->viewport(0, 0, pixel_size.width(), pixel_size.height());
   }
-  RenderWidget::OnResize(size, resizer_rect, is_fullscreen);
+  RenderWidget::OnResize(size, physical_backing_size, resizer_rect,
+                         is_fullscreen);
 }
 
 WebWidget* RenderWidgetFullscreenPepper::CreateWebWidget() {