gfx: Make conversions from gfx::Point to PointF explicit.

ui/compositor/dip_util.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 "ui/compositor/dip_util.h"
 
 #include "base/command_line.h"
 #include "cc/layers/layer.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/compositor_switches.h"
@@ skipping 66 matching lines @@
 
 void SnapLayerToPhysicalPixelBoundary(ui::Layer* snapped_layer,
                                       ui::Layer* layer_to_snap) {
   DCHECK_NE(snapped_layer, layer_to_snap);
   DCHECK(snapped_layer);
   DCHECK(snapped_layer->Contains(layer_to_snap));
 
   gfx::Point view_offset_dips = layer_to_snap->GetTargetBounds().origin();
   ui::Layer::ConvertPointToLayer(
       layer_to_snap->parent(), snapped_layer, &view_offset_dips);
-  gfx::PointF view_offset = view_offset_dips;
+  auto view_offset = gfx::PointF(view_offset_dips);
 
   float scale_factor = GetDeviceScaleFactor(layer_to_snap);
   view_offset.Scale(scale_factor);
   gfx::PointF view_offset_snapped(gfx::ToRoundedInt(view_offset.x()),
                                   gfx::ToRoundedInt(view_offset.y()));
 
   gfx::Vector2dF fudge = view_offset_snapped - view_offset;
   fudge.Scale(1.0 / scale_factor);
   layer_to_snap->SetSubpixelPositionOffset(fudge);
 #if DCHECK_IS_ON()
   gfx::Point layer_offset;
   gfx::PointF origin;
   Layer::ConvertPointToLayer(
       layer_to_snap->parent(), snapped_layer, &layer_offset);
   if (layer_to_snap->GetAnimator()->is_animating()) {
-    origin = layer_to_snap->GetTargetBounds().origin() +
+    origin = gfx::PointF(layer_to_snap->GetTargetBounds().origin()) +
              layer_to_snap->subpixel_position_offset();
   } else {
     origin = layer_to_snap->position();
   }
   CheckSnapped((layer_offset.x() + origin.x()) * scale_factor);
   CheckSnapped((layer_offset.y() + origin.y()) * scale_factor);
 #endif
 }
 
 }  // namespace ui