Remove use of default request context and fix use of speech censor flag

content/browser/browser_context.h

Index: content/browser/browser_context.h
diff --git a/content/browser/browser_context.h b/content/browser/browser_context.h
index feda5563ee7924a4fe710b1d9cd6ed8f819e075b..8a3e39a1a45cc1edf8863b01cbd26afc8d635e0a 100644
--- a/content/browser/browser_context.h
+++ b/content/browser/browser_context.h
@@ -29,6 +29,7 @@ class ChromeBlobStorageContext;
 class DownloadManager;
 class FilePath;
 class GeolocationPermissionContext;
+class SpeechInputPreferences;
 class HostZoomMap;
 class SSLHostState;
 class WebKitContext;
@@ -86,6 +87,10 @@ class BrowserContext {
   // Returns the geolocation permission context for this context.
   virtual GeolocationPermissionContext* GetGeolocationPermissionContext() = 0;
 
+  // Returns the speech input preferences. SpeechInputPreferences is a
+  // ref counted class, so callers should take a reference if needed.
+  virtual SpeechInputPreferences* GetSpeechInputPreferences() = 0;
+
   // Returns true if the last time this context was open it was exited cleanly.
   // This doesn't belong here; http://crbug.com/90737
   virtual bool DidLastSessionExitCleanly() = 0;