cc: Fix animation bounds computation for multiple players

cc/animation/element_animations.cc

 // Copyright 2015 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 "cc/animation/element_animations.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 223 matching lines @@
   // TODO(avallee): Implement.
   return false;
 }
 
 bool ElementAnimations::TransformAnimationBoundsForBox(
     const gfx::BoxF& box,
     gfx::BoxF* bounds) const {
   *bounds = gfx::BoxF();
 
   for (auto& player : players_list_) {
+    if (!player.HasTransformAnimationThatInflatesBounds())
+      continue;
     gfx::BoxF player_bounds;
     bool success = player.TransformAnimationBoundsForBox(box, &player_bounds);
     if (!success)
       return false;
     bounds->Union(player_bounds);
   }
   return true;
 }
 
 bool ElementAnimations::HasOnlyTranslationTransforms(
@@ skipping 232 matching lines @@
   if (animation_host()) {
     DCHECK(animation_host()->mutator_host_client());
     return animation_host()->mutator_host_client()->GetScrollOffsetForAnimation(
         element_id());
   }
 
   return gfx::ScrollOffset();
 }
 
 }  // namespace cc