aura: Stop converting Rect to RectF implicitly.

ui/wm/core/window_animations.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/wm/core/window_animations.h"
 
 #include <math.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 210 matching lines @@
   while (root->parent())
     root = root->parent();
   layer->GetTargetTransformRelativeTo(root, transform);
 }
 
 gfx::Rect GetLayerWorldBoundsAfterTransform(ui::Layer* layer,
                                             const gfx::Transform& transform) {
   gfx::Transform in_world = transform;
   GetTransformRelativeToRoot(layer, &in_world);
 
-  gfx::RectF transformed = layer->bounds();
+  gfx::RectF transformed = gfx::RectF(layer->bounds());
   in_world.TransformRect(&transformed);
 
   return gfx::ToEnclosingRect(transformed);
 }
 
 // Augment the host window so that the enclosing bounds of the full
 // animation will fit inside of it.
 void AugmentWindowSize(aura::Window* window,
                        const gfx::Transform& end_transform) {
   aura::client::AnimationHost* animation_host =
@@ skipping 417 matching lines @@
   // being accessed via Remote Desktop.
   if (ui::ScopedAnimationDurationScaleMode::duration_scale_mode() ==
       ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION)
     return false;
 
   // Let the user decide whether or not to play the animation.
   return !gfx::Animation::ShouldRenderRichAnimation();
 }
 
 }  // namespace wm