chrome/blink: Add functionality for in-product help for media elements.

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

Index: third_party/WebKit/Source/platform/mojo/GeometryStructTraits.cpp
diff --git a/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.cpp b/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.cpp
index fbc1a81eafdb8bbc25ca6ebea3089ba8d1967653..66ace43061edcaba9ce62ab959b3cad7a26999c6 100644
--- a/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.cpp
+++ b/third_party/WebKit/Source/platform/mojo/GeometryStructTraits.cpp
@@ -19,6 +19,19 @@ bool StructTraits<gfx::mojom::RectFDataView, ::blink::WebFloatRect>::Read(
   return true;
 }
 
+// static
+bool StructTraits<gfx::mojom::RectDataView, ::blink::WebRect>::Read(
+    gfx::mojom::RectDataView data,
+    ::blink::WebRect* out) {
+  if (data.width() < 0 || data.height() < 0)
+    return false;
+  out->x = data.x();
+  out->y = data.y();
+  out->width = data.width();
+  out->height = data.height();
+  return true;
+}
+
 // static
 bool StructTraits<gfx::mojom::PointFDataView, ::blink::WebFloatPoint>::Read(
     gfx::mojom::PointFDataView data,