Add RectF and PointF typemaps in blink.

third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h

Index: third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h
diff --git a/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h b/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h
index b88c3b20a0e7337c6ae8b10585bb19786cfa653a..21d4a8ffb839e105432701c63734d495e443f6de 100644
--- a/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h
+++ b/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.h
@@ -5,11 +5,29 @@
 #ifndef GeometryStructTraits_h
 #define GeometryStructTraits_h
 
+#include "third_party/WebKit/public/platform/WebFloatPoint.h"
+#include "third_party/WebKit/public/platform/WebFloatRect.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "ui/gfx/geometry/mojo/geometry.mojom-shared.h"
 
 namespace mojo {
 
+template <>
+struct StructTraits<gfx::mojom::PointFDataView, ::blink::WebFloatPoint> {
+  static float x(const ::blink::WebFloatPoint& point) { return point.x; }
+  static float y(const ::blink::WebFloatPoint& point) { return point.y; }
+  static bool Read(gfx::mojom::PointFDataView, ::blink::WebFloatPoint* out);
+};
+
+template <>
+struct StructTraits<gfx::mojom::RectFDataView, ::blink::WebFloatRect> {
+  static float x(const ::blink::WebFloatRect& rect) { return rect.x; }
+  static float y(const ::blink::WebFloatRect& rect) { return rect.y; }
+  static float width(const ::blink::WebFloatRect& rect) { return rect.width; }
+  static float height(const ::blink::WebFloatRect& rect) { return rect.height; }
+  static bool Read(gfx::mojom::RectFDataView, ::blink::WebFloatRect* out);
+};
+
 template <>
 struct StructTraits<gfx::mojom::SizeDataView, ::blink::WebSize> {
   static int width(const ::blink::WebSize& size) { return size.width; }