Make SpeechRecognitionController per frame instead of per page.

public/web/WebViewClient.h

Index: public/web/WebViewClient.h
diff --git a/public/web/WebViewClient.h b/public/web/WebViewClient.h
index 9e7b1a3f902ddaa7e0a25519cd6316fae51bf7d1..19d2c40e0c735bcdc3d4f39d8b0e936ebb15040b 100644
--- a/public/web/WebViewClient.h
+++ b/public/web/WebViewClient.h
@@ -62,7 +62,6 @@ class WebKeyboardEvent;
 class WebNode;
 class WebPushClient;
 class WebRange;
-class WebSpeechRecognizer;
 class WebStorageNamespace;
 class WebURL;
 class WebURLRequest;
@@ -239,12 +238,6 @@ public:
     virtual void didUpdateInspectorSetting(const WebString& key, const WebString& value) { }
 
 
-    // Speech --------------------------------------------------------------

[dcheng, 2014/11/11 08:09:58]

These sort of things usually require a 3-way patch. Will doing this all in one
patch break any layout tests?

[mlamouri (slow - plz ping), 2014/11/28 10:43:04]

That's correct. I use this patch with a chromium patch. I'm trying to figure out
how to handle the three-way patch. Do you have any suggestion?

-
-    // Access the embedder API for speech recognition services.
-    virtual WebSpeechRecognizer* speechRecognizer() { return 0; }
-
-
     // Zoom ----------------------------------------------------------------
 
     // Informs the browser that the zoom levels for this frame have changed from