Remove dependency of profile from TtsMessageFilter

This change also removes redundant header includes
for tts_message_filter.h and tts_controller.h.
This is part of an effort to move TTS to content.

BUG=347045

Review URL: https://codereview.chromium.org/408123002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284718 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/speech/tts_message_filter.cc

@@ -6,9 +6,6 @@
 
 #include "base/bind.h"
 #include "base/logging.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/speech/tts_controller.h"
-#include "chrome/browser/speech/tts_message_filter.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/render_process_host.h"