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

cc/base/math_util.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 "cc/base/math_util.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 
@@ skipping 184 matching lines @@
   DCHECK(transform.Preserves2dAxisAlignment());
 
   if (transform.IsIdentityOrIntegerTranslation()) {
     gfx::Vector2d offset(static_cast<int>(transform.matrix().getFloat(0, 3)),
                          static_cast<int>(transform.matrix().getFloat(1, 3)));
     return rect + offset;
   }
   if (transform.IsIdentityOrTranslation()) {
     gfx::Vector2dF offset(transform.matrix().getFloat(0, 3),
                           transform.matrix().getFloat(1, 3));
-    return gfx::ToEnclosedRect(rect + offset);
+    return gfx::ToEnclosedRect(gfx::RectF(rect) + offset);
   }
 
   SkMScalar quad[2 * 2];  // input: 2 x 2D points
   quad[0] = rect.x();
   quad[1] = rect.y();
   quad[2] = rect.right();
   quad[3] = rect.bottom();
 
   SkMScalar result[4 * 2];  // output: 2 x 4D homogeneous points
   transform.matrix().map2(quad, 2, result);
@@ skipping 659 matching lines @@
                         transform.matrix().getFloat(2, 0));
 }
 
 gfx::Vector3dF MathUtil::GetYAxis(const gfx::Transform& transform) {
   return gfx::Vector3dF(transform.matrix().getFloat(0, 1),
                         transform.matrix().getFloat(1, 1),
                         transform.matrix().getFloat(2, 1));
 }
 
 }  // namespace cc