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

content/renderer/render_widget_unittest.cc

Index: content/renderer/render_widget_unittest.cc
diff --git a/content/renderer/render_widget_unittest.cc b/content/renderer/render_widget_unittest.cc
index 9211acac8199e10ff50b97e7323c1d4b3d922ccd..7e14dbd8f26fcb2ae054518c5af686d5c0bcab00 100644
--- a/content/renderer/render_widget_unittest.cc
+++ b/content/renderer/render_widget_unittest.cc
@@ -191,7 +191,7 @@ TEST_F(RenderWidgetUnittest, EventOverscroll) {
   EXPECT_EQ(gfx::Vector2dF(0, 10), ack.overscroll->accumulated_overscroll);
   EXPECT_EQ(gfx::Vector2dF(0, 10), ack.overscroll->latest_overscroll_delta);
   EXPECT_EQ(gfx::Vector2dF(), ack.overscroll->current_fling_velocity);
-  EXPECT_EQ(gfx::PointF(-10, 0), ack.overscroll->causal_event_viewport_point);
+  EXPECT_EQ(gfx::Point(-10, 0), ack.overscroll->causal_event_viewport_point);
   widget()->sink()->ClearMessages();
 }
 
@@ -209,7 +209,7 @@ TEST_F(RenderWidgetUnittest, FlingOverscroll) {
   const DidOverscrollParams& overscroll = base::get<0>(params);
   EXPECT_EQ(gfx::Vector2dF(10, 5), overscroll.latest_overscroll_delta);
   EXPECT_EQ(gfx::Vector2dF(5, 5), overscroll.accumulated_overscroll);
-  EXPECT_EQ(gfx::PointF(1, 1), overscroll.causal_event_viewport_point);
+  EXPECT_EQ(gfx::Point(1, 1), overscroll.causal_event_viewport_point);
   EXPECT_EQ(gfx::Vector2dF(-10, -5), overscroll.current_fling_velocity);
   widget()->sink()->ClearMessages();
 }