gfx: Make conversions from gfx::Point to PointF explicit.

ui/gfx/transform_util_unittest.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/gfx/transform_util.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/point3_f.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 123 matching lines @@
   transform.Scale3d(SkDoubleToMScalar(1.0),
                     SkDoubleToMScalar(3.00001),
                     SkDoubleToMScalar(2.0));
 
   Rect viewport(1920, 1200);
   bool snapped = SnapTransform(&result, transform, viewport);
   ASSERT_TRUE(snapped) << "Viewport should snap all components.";
 
   Point3F point;
 
-  point = Point3F(viewport.origin());
+  point = Point3F(PointF(viewport.origin()));
   result.TransformPoint(&point);
   EXPECT_EQ(Point3F(31.f, 20.f, 10.f), point) << "Transformed origin";
 
-  point = Point3F(viewport.top_right());
+  point = Point3F(PointF(viewport.top_right()));
   result.TransformPoint(&point);
   EXPECT_EQ(Point3F(31.f, 1940.f, 10.f), point) << "Transformed top-right";
 
-  point = Point3F(viewport.bottom_left());
+  point = Point3F(PointF(viewport.bottom_left()));
   result.TransformPoint(&point);
   EXPECT_EQ(Point3F(-3569.f, 20.f, 10.f), point) << "Transformed bottom-left";
 
-  point = Point3F(viewport.bottom_right());
+  point = Point3F(PointF(viewport.bottom_right()));
   result.TransformPoint(&point);
   EXPECT_EQ(Point3F(-3569.f, 1940.f, 10.f), point)
       << "Transformed bottom-right";
 }
 
 TEST(TransformUtilTest, NoSnapSkewedCompositeTransform) {
   Transform result(Transform::kSkipInitialization);
   Transform transform;
 
 
@@ skipping 33 matching lines @@
   DecomposedTransform result;
   BlendDecomposedTransforms(&result, first, second, 0.25);
   for (size_t i = 0; i < 4; ++i) {
     EXPECT_TRUE(std::isfinite(result.quaternion[i]));
     EXPECT_FALSE(std::isnan(result.quaternion[i]));
   }
 }
 
 }  // namespace
 }  // namespace gfx