Fix WebSpeech API for OOPIF based <webview>

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index d606c06dbc78b7c382bb4390cb0a739ce97a89f8..9e779b8be76fa59c5bfaaeaf0b276145c3bee574 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -139,6 +139,11 @@ class CONTENT_EXPORT WebContentsImpl
   // TODO(creis): Remove this now that we can get to it via FrameTreeNode.
   RenderFrameHostManager* GetRenderManagerForTesting();
 
+  // Returns the outer WebContents of this WebContents if any.
+  // Note that without --site-per-process, this will return the WebContents
+  // of the BrowserPluginEmbedder, if |this| is a guest.
+  WebContentsImpl* GetOuterWebContents();
+
   // Returns guest browser plugin object, or NULL if this WebContents is not a
   // guest.
   BrowserPluginGuest* GetBrowserPluginGuest() const;