Draggable region support for frameless app window on Windows.

content/public/common/common_param_traits.cc

Index: content/public/common/common_param_traits.cc
diff --git a/content/public/common/common_param_traits.cc b/content/public/common/common_param_traits.cc
index 656ad68c7607760c088f7aac32376e53fc4ef4be..e504586dc571df61421d4b7e7b0ff7685d5fc597 100644
--- a/content/public/common/common_param_traits.cc
+++ b/content/public/common/common_param_traits.cc
@@ -5,6 +5,7 @@
 #include "content/public/common/common_param_traits.h"
 
 #include "content/public/common/content_constants.h"
+#include "content/public/common/draggable_region.h"
 #include "content/public/common/referrer.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/upload_data.h"
@@ -512,6 +513,27 @@ void ParamTraits<SkBitmap>::Log(const SkBitmap& p, std::string* l) {
   l->append("<SkBitmap>");
 }
 
+void ParamTraits<content::DraggableRegion>::Write(
+    Message* m, const param_type& p) {
+  WriteParam(m, p.label);
+  WriteParam(m, p.bounds);
+  WriteParam(m, p.clip);
+}
+
+bool ParamTraits<content::DraggableRegion>::Read(
+    const Message* m, PickleIterator* iter, param_type* r) {
+  return ReadParam(m, iter, &r->label) &&
+         ReadParam(m, iter, &r->bounds) &&
+         ReadParam(m, iter, &r->clip);
+}
+
+void ParamTraits<content::DraggableRegion>::Log(
+    const param_type& p, std::string* l) {
+  l->append("(");
+  LogParam(p.label, l);
+  l->append(")");
+}
+
 }  // namespace IPC
 
 // Generate param traits write methods.