Gets HTMLIFrameElement::embedViewManagerClient to work with dart

sky/engine/tonic/dart_converter.h

Index: sky/engine/tonic/dart_converter.h
diff --git a/sky/engine/tonic/dart_converter.h b/sky/engine/tonic/dart_converter.h
index c40fe5383dc69a0dd30bdf9df9d937c742430342..52deadcd5670dba3ad5f51bafaa7e087cb9bdece 100644
--- a/sky/engine/tonic/dart_converter.h
+++ b/sky/engine/tonic/dart_converter.h
@@ -6,6 +6,7 @@
 #define SKY_ENGINE_TONIC_DART_CONVERTER_H_
 
 #include <string>
+#include "mojo/public/cpp/system/handle.h"
 #include "sky/engine/tonic/dart_state.h"
 #include "sky/engine/tonic/dart_string.h"
 #include "sky/engine/tonic/dart_string_cache.h"
@@ -266,6 +267,26 @@ struct DartConverter<Vector<T>> {
 };
 
 ////////////////////////////////////////////////////////////////////////////////
+// mojo types
+
+template <typename HandleType>
+struct DartConverter<mojo::ScopedHandleBase<HandleType>> {
+  static mojo::ScopedHandleBase<HandleType> FromDart(Dart_Handle handle) {
+    uint64_t mojo_handle64 = 0;
+    Dart_Handle result = Dart_IntegerToUint64(handle, &mojo_handle64);
+    if (Dart_IsError(result) || !mojo_handle64)
+      return mojo::ScopedHandleBase<HandleType>();
+
+    HandleType mojo_handle(static_cast<MojoHandle>(mojo_handle64));
+    return mojo::MakeScopedHandle(mojo_handle);
+  }
+
+  static Dart_Handle ToDart(mojo::ScopedHandleBase<HandleType> mojo_handle) {
+    return Dart_NewInteger(static_cast<int64_t>(mojo_handle.release().value()));
+  }
+};

[abarth-chromium, 2015/02/23 22:29:37]

Please move this declaration to a separate header file, for example
sky/engine/tonic/mojo_converter.h

+
+////////////////////////////////////////////////////////////////////////////////
 // DartValue
 
 template <>