cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/layers/scrollbar_layer_unittest.cc

 // Copyright 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 "base/containers/hash_tables.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
@@ skipping 582 matching lines @@
   SolidColorScrollbarLayerImpl* layers[2] =
       { horizontal_scrollbar_layer_.get(), vertical_scrollbar_layer_.get() };
   for (size_t i = 0; i < 2; ++i) {
     layers[i]->SetVisibleToTotalLengthRatio(0.2f);
     layers[i]->SetCurrentPos(25);
     layers[i]->SetMaximum(100);
   }
   layers[0]->SetBounds(gfx::Size(100, 3));
   layers[1]->SetBounds(gfx::Size(3, 100));
 
-  EXPECT_EQ(gfx::RectF(20.f, 0.f, 20.f, 3.f),
+  EXPECT_EQ(gfx::Rect(20, 0, 20, 3),
             horizontal_scrollbar_layer_->ComputeThumbQuadRect());
-  EXPECT_EQ(gfx::RectF(0.f, 20.f, 3.f, 20.f),
+  EXPECT_EQ(gfx::Rect(0, 20, 3, 20),
             vertical_scrollbar_layer_->ComputeThumbQuadRect());
 
   horizontal_scrollbar_layer_->SetVerticalAdjust(10.f);
   vertical_scrollbar_layer_->SetVerticalAdjust(10.f);
 
   // The vertical adjustment factor has two effects:
   // 1.) Moves the horizontal scrollbar down
   // 2.) Increases the vertical scrollbar's effective track length which both
   // increases the thumb's length and its position within the track.
   EXPECT_EQ(gfx::Rect(20.f, 10.f, 20.f, 3.f),
@@ skipping 401 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc