Replicate sandbox flags for OOPIF (Chromium part 2)

content/common/frame_replication_state.h

Index: content/common/frame_replication_state.h
diff --git a/content/common/frame_replication_state.h b/content/common/frame_replication_state.h
index 30a72a4a42fad7f677a572af37830f61a6f12db5..a1daf15083399da2f872c9baaa51395f2efdf009 100644
--- a/content/common/frame_replication_state.h
+++ b/content/common/frame_replication_state.h
@@ -33,6 +33,14 @@ enum class SandboxFlags : int {
   ALL = -1
 };
 
+inline SandboxFlags operator&(SandboxFlags a, SandboxFlags b) {
+  return static_cast<SandboxFlags>(static_cast<int>(a) & static_cast<int>(b));
+}
+
+inline SandboxFlags operator~(SandboxFlags flags) {
+  return static_cast<SandboxFlags>(~static_cast<int>(flags));
+}
+
 // This structure holds information that needs to be replicated between a
 // RenderFrame and any of its associated RenderFrameProxies.
 struct CONTENT_EXPORT FrameReplicationState {