Revert r70896 to move speech input back behind a flag.

chrome/browser/renderer_host/browser_render_process_host.h

Index: chrome/browser/renderer_host/browser_render_process_host.h
diff --git a/chrome/browser/renderer_host/browser_render_process_host.h b/chrome/browser/renderer_host/browser_render_process_host.h
index c56d399869cd1e14e8e08719a42003e980bb174f..ca95342d61e81730e57f76b7e021836b2c90c48e 100644
--- a/chrome/browser/renderer_host/browser_render_process_host.h
+++ b/chrome/browser/renderer_host/browser_render_process_host.h
@@ -125,6 +125,10 @@ class BrowserRenderProcessHost : public RenderProcessHost,
   // functions to thre renderer process.
   void InitExtensions();
 
+  // Initialize support for speech input API. Informs the renderer if the API
+  // is enabled or not.
+  void InitSpeechInput();
+
   // Sends the renderer process a new set of user scripts.
   void SendUserScriptsUpdate(base::SharedMemory* shared_memory);