Add Java wrapper for RenderFrameHost

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index c863b0044a49b2f872438a596d6c03bf89a3af47..3507c642204d58bfbbd64a8a09cb7bcd6f5eb677 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -26,6 +26,10 @@
 #include "ui/gfx/native_widget_types.h"
 #endif
 
+#if defined(OS_ANDROID)
+#include "base/android/scoped_java_ref.h"
+#endif
+
 class GURL;
 
 namespace IPC {
@@ -290,6 +294,13 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
                                                  const url::Origin& origin,
                                                  const GURL& resource_url);
 
+#if defined(OS_ANDROID)
+  virtual base::android::ScopedJavaLocalRef<jobject>
+  GetJavaRenderFrameHostDelegate() {
+    return nullptr;

[boliu, 2017/03/06 23:12:38]

can't inline this, clang bot will complain

[rwlbuis, 2017/03/07 19:44:55]

Done.

+  }
+#endif
+
  protected:
   virtual ~RenderFrameHostDelegate() {}
 };