WebFrame exports size information for remote frames.

public/web/WebFrame.h

Index: public/web/WebFrame.h
diff --git a/public/web/WebFrame.h b/public/web/WebFrame.h
index 171b5ffe89f2f67088689c8dfe13a7e2a0105504..bd1e553758a3c80c20c10f09042eeb52d42bb902 100644
--- a/public/web/WebFrame.h
+++ b/public/web/WebFrame.h
@@ -159,6 +159,10 @@ public:
     // URLs
     virtual WebVector<WebIconURL> iconURLs(int iconTypesMask) const = 0;
 
+    // Notify the WebFrame as to whether its frame will be rendered in a
+    // separate renderer process.
+    virtual void setIsRemote(bool) = 0;
+
     // For a WebFrame with contents being rendered in another process, this
     // sets a layer for use by the in-process compositor. WebLayer should be
     // null if the content is being rendered in the current process.