Refactor Autofill for OOPIF, step 1: add autofillClient to WebLocalFrame

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index ca583f0a1924f79e8f8c3a4445dc4faa1fbc6c2a..e2dd1a4bf9e52cd6ccbde9705ee105307e87e341 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -176,6 +176,7 @@
 #include "public/platform/WebSize.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebVector.h"
+#include "public/web/WebAutofillClient.h"
 #include "public/web/WebConsoleMessage.h"
 #include "public/web/WebDOMEvent.h"
 #include "public/web/WebDocument.h"
@@ -1538,6 +1539,7 @@ WebLocalFrameImpl* WebLocalFrameImpl::create(WebFrameClient* client)
 WebLocalFrameImpl::WebLocalFrameImpl(WebFrameClient* client)
     : m_frameLoaderClientImpl(this)
     , m_client(client)
+    , m_autofillClient(0)
     , m_permissionClient(0)
     , m_inputEventsScaleFactorForEmulation(1)
     , m_userMediaClientImpl(this)
@@ -1854,6 +1856,11 @@ void WebLocalFrameImpl::initializeToReplaceRemoteFrame(WebRemoteFrame* oldWebFra
     m_frame->init();
 }
 
+void WebLocalFrameImpl::setAutofillClient(WebAutofillClient* autofillClient)
+{
+    m_autofillClient = autofillClient;
+}
+
 void WebLocalFrameImpl::sendPings(const WebNode& linkNode, const WebURL& destinationURL)
 {
     ASSERT(frame());