Fix set_area sizes for RequestCopyOfOutput, and related tests.

content/browser/media/capture/desktop_capture_device_aura.cc

Index: content/browser/media/capture/desktop_capture_device_aura.cc
diff --git a/content/browser/media/capture/desktop_capture_device_aura.cc b/content/browser/media/capture/desktop_capture_device_aura.cc
index b795b1cb8e39ed8476c2a74b6b3e93da72319d32..4939b62dbc5424a2c27184b51d7a8ed5438c3805 100644
--- a/content/browser/media/capture/desktop_capture_device_aura.cc
+++ b/content/browser/media/capture/desktop_capture_device_aura.cc
@@ -278,10 +278,8 @@ void DesktopVideoCaptureMachine::Capture(bool dirty) {
         cc::CopyOutputRequest::CreateRequest(
             base::Bind(&DesktopVideoCaptureMachine::DidCopyOutput,
                        AsWeakPtr(), frame, start_time, capture_frame_cb));
-    gfx::Rect window_rect =
-        ui::ConvertRectToPixel(desktop_window_->layer(),
-                               gfx::Rect(desktop_window_->bounds().width(),
-                                         desktop_window_->bounds().height()));
+    gfx::Rect window_rect = gfx::Rect(desktop_window_->bounds().width(),
+                                      desktop_window_->bounds().height());
     request->set_area(window_rect);
     desktop_window_->layer()->RequestCopyOfOutput(request.Pass());
   }