Converted LayerImpl::bounds() to return SizeF.

cc/layers/layer_impl_unittest.cc

 // Copyright 2011 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/layers/layer_impl.h"
 
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
 #include "cc/test/fake_impl_proxy.h"
@@ skipping 664 matching lines @@
 
 TEST_F(LayerImplScrollTest, SetNewScrollbarParameters) {
   gfx::ScrollOffset scroll_offset(10, 5);
   layer()->SetScrollOffset(scroll_offset);
 
   scoped_ptr<PaintedScrollbarLayerImpl> vertical_scrollbar(
       PaintedScrollbarLayerImpl::Create(tree(), 100, VERTICAL));
   vertical_scrollbar->SetScrollLayerAndClipLayerByIds(
       layer()->id(), tree()->root_layer()->id());
 
-  int expected_vertical_maximum =
+  float expected_vertical_maximum =
       layer()->bounds().height() - tree()->root_layer()->bounds().height();
   EXPECT_EQ(expected_vertical_maximum, vertical_scrollbar->maximum());
   EXPECT_EQ(scroll_offset.y(), vertical_scrollbar->current_pos());
 
   scoped_ptr<PaintedScrollbarLayerImpl> horizontal_scrollbar(
       PaintedScrollbarLayerImpl::Create(tree(), 101, HORIZONTAL));
   horizontal_scrollbar->SetScrollLayerAndClipLayerByIds(
       layer()->id(), tree()->root_layer()->id());
 
-  int expected_horizontal_maximum =
+  float expected_horizontal_maximum =
       layer()->bounds().width() - tree()->root_layer()->bounds().width();
   EXPECT_EQ(expected_horizontal_maximum, horizontal_scrollbar->maximum());
   EXPECT_EQ(scroll_offset.x(), horizontal_scrollbar->current_pos());
 }
 
 }  // namespace
 }  // namespace cc