Stops using ConvertRectToPixel in snapshot_aura.

The CopyOutputRequest's area is now in layer's scale factor, not
in pixel.

R=danakj@chromium.org, piman@chromium.org
BUG=381578
TEST=manually, snapshot_unittests succeeds

Review URL: https://codereview.chromium.org/321323003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@276612 0039d316-1c4b-4281-b951-d872f2087c98

ui/snapshot/snapshot_aura.cc

@@ -36,7 +36,7 @@ static void MakeAsyncCopyRequest(
     const cc::CopyOutputRequest::CopyOutputRequestCallback& callback) {
   scoped_ptr<cc::CopyOutputRequest> request =
       cc::CopyOutputRequest::CreateBitmapRequest(callback);
-  request->set_area(ui::ConvertRectToPixel(window->layer(), source_rect));
+  request->set_area(source_rect);
   window->layer()->RequestCopyOfOutput(request.Pass());
 }
 

ui/snapshot/snapshot_aura_unittest.cc

@@ -126,12 +126,14 @@ class SnapshotAuraTest : public testing::Test {
 
   gfx::Image GrabSnapshotForTestWindow() {
     gfx::Rect source_rect(test_window_->bounds().size());
+    aura::Window::ConvertRectToTarget(
+        test_window(), root_window(), &source_rect);
 
     scoped_refptr<base::TestSimpleTaskRunner> task_runner(
         new base::TestSimpleTaskRunner());
     scoped_refptr<SnapshotHolder> holder(new SnapshotHolder);
     ui::GrabWindowSnapshotAsync(
-        test_window(),
+        root_window(),
         source_rect,
         task_runner,
         base::Bind(&SnapshotHolder::SnapshotCallback, holder));