Plumbing blink::Interface{Provider|Registry} through WebLocalFrame's constructor.

third_party/WebKit/Source/web/WebLocalFrameImpl.h

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.h
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.h b/third_party/WebKit/Source/web/WebLocalFrameImpl.h
index 1e48d48f15d0de8bc8d0ad4357bfea4976d9b821..288cee89ad4441bfe0efe1c6285874e646f012df 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.h
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.h
@@ -310,8 +310,12 @@ class WEB_EXPORT WebLocalFrameImpl final
 
   static WebLocalFrameImpl* create(WebTreeScopeType,
                                    WebFrameClient*,
+                                   blink::InterfaceProvider*,
+                                   blink::InterfaceRegistry*,
                                    WebFrame* opener);
   static WebLocalFrameImpl* createProvisional(WebFrameClient*,
+                                              blink::InterfaceProvider*,
+                                              blink::InterfaceRegistry*,
                                               WebRemoteFrame*,
                                               WebSandboxFlags);
   ~WebLocalFrameImpl() override;
@@ -408,8 +412,14 @@ class WEB_EXPORT WebLocalFrameImpl final
  private:
   friend class FrameLoaderClientImpl;
 
-  WebLocalFrameImpl(WebTreeScopeType, WebFrameClient*);
-  WebLocalFrameImpl(WebRemoteFrame*, WebFrameClient*);
+  WebLocalFrameImpl(WebTreeScopeType,
+                    WebFrameClient*,
+                    blink::InterfaceProvider*,
+                    blink::InterfaceRegistry*);
+  WebLocalFrameImpl(WebRemoteFrame*,
+                    WebFrameClient*,
+                    blink::InterfaceProvider*,
+                    blink::InterfaceRegistry*);
 
   // Inherited from WebFrame, but intentionally hidden: it never makes sense
   // to call these on a WebLocalFrameImpl.
@@ -463,6 +473,10 @@ class WEB_EXPORT WebLocalFrameImpl final
   IntSize m_inputEventsOffsetForEmulation;
   float m_inputEventsScaleFactorForEmulation;
 
+  // Borrowed pointers to Mojo objects.
+  blink::InterfaceProvider* m_interfaceProvider;
+  blink::InterfaceRegistry* m_interfaceRegistry;
+
   WebDevToolsFrontendImpl* m_webDevToolsFrontend;
 
   Member<Node> m_contextMenuNode;