content/browser: Move speech code into content namespace.

content/browser/speech/google_streaming_remote_engine.cc

Index: content/browser/speech/google_streaming_remote_engine.cc
diff --git a/content/browser/speech/google_streaming_remote_engine.cc b/content/browser/speech/google_streaming_remote_engine.cc
index 66bd9e664692f109887f8914dbab496d2f39724f..2f050bd617f60cf9c016c50a7e57e85021b9e10a 100644
--- a/content/browser/speech/google_streaming_remote_engine.cc
+++ b/content/browser/speech/google_streaming_remote_engine.cc
@@ -27,13 +27,9 @@
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_status.h"
 
-using content::BrowserThread;
-using content::SpeechRecognitionError;
-using content::SpeechRecognitionErrorCode;
-using content::SpeechRecognitionHypothesis;
-using content::SpeechRecognitionResult;
 using net::URLFetcher;
 
+namespace content {
 namespace {
 
 const char kWebServiceBaseUrl[] =
@@ -41,8 +37,7 @@ const char kWebServiceBaseUrl[] =
 const char kDownstreamUrl[] = "/down?";
 const char kUpstreamUrl[] = "/up?";
 const int kAudioPacketIntervalMs = 100;
-const speech::AudioEncoder::Codec kDefaultAudioCodec =
-    speech::AudioEncoder::CODEC_FLAC;
+const AudioEncoder::Codec kDefaultAudioCodec = AudioEncoder::CODEC_FLAC;
 
 // This mathces the maximum maxAlternatives value supported by the server.
 const uint32 kMaxMaxAlternatives = 30;
@@ -50,7 +45,7 @@ const uint32 kMaxMaxAlternatives = 30;
 // TODO(hans): Remove this and other logging when we don't need it anymore.
 void DumpResponse(const std::string& response) {
   DVLOG(1) << "------------";
-  speech::proto::SpeechRecognitionEvent event;
+  proto::SpeechRecognitionEvent event;
   if (!event.ParseFromString(response)) {
     DVLOG(1) << "Parse failed!";
     return;
@@ -59,13 +54,13 @@ void DumpResponse(const std::string& response) {
     DVLOG(1) << "STATUS\t" << event.status();
   for (int i = 0; i < event.result_size(); ++i) {
     DVLOG(1) << "RESULT #" << i << ":";
-    const speech::proto::SpeechRecognitionResult& res = event.result(i);
+    const proto::SpeechRecognitionResult& res = event.result(i);
     if (res.has_final())
       DVLOG(1) << "  FINAL:\t" << res.final();
     if (res.has_stability())
       DVLOG(1) << "  STABILITY:\t" << res.stability();
     for (int j = 0; j < res.alternative_size(); ++j) {
-      const speech::proto::SpeechRecognitionAlternative& alt =
+      const proto::SpeechRecognitionAlternative& alt =
           res.alternative(j);
       if (alt.has_confidence())
         DVLOG(1) << "    CONFIDENCE:\t" << alt.confidence();
@@ -92,8 +87,6 @@ std::string GetAPIKey() {
 
 }  // namespace
 
-namespace speech {
-
 const int GoogleStreamingRemoteEngine::kUpstreamUrlFetcherIdForTests = 0;
 const int GoogleStreamingRemoteEngine::kDownstreamUrlFetcherIdForTests = 1;
 const int GoogleStreamingRemoteEngine::kWebserviceStatusNoError = 0;
@@ -422,24 +415,24 @@ GoogleStreamingRemoteEngine::ProcessDownstreamResponse(
       case proto::SpeechRecognitionEvent::STATUS_SUCCESS:
         break;
       case proto::SpeechRecognitionEvent::STATUS_NO_SPEECH:
-        return Abort(content::SPEECH_RECOGNITION_ERROR_NO_SPEECH);
+        return Abort(SPEECH_RECOGNITION_ERROR_NO_SPEECH);
       case proto::SpeechRecognitionEvent::STATUS_ABORTED:
-        return Abort(content::SPEECH_RECOGNITION_ERROR_ABORTED);
+        return Abort(SPEECH_RECOGNITION_ERROR_ABORTED);
       case proto::SpeechRecognitionEvent::STATUS_AUDIO_CAPTURE:
-        return Abort(content::SPEECH_RECOGNITION_ERROR_AUDIO);
+        return Abort(SPEECH_RECOGNITION_ERROR_AUDIO);
       case proto::SpeechRecognitionEvent::STATUS_NETWORK:
-        return Abort(content::SPEECH_RECOGNITION_ERROR_NETWORK);
+        return Abort(SPEECH_RECOGNITION_ERROR_NETWORK);
       case proto::SpeechRecognitionEvent::STATUS_NOT_ALLOWED:
         // TODO(hans): We need a better error code for this.
-        return Abort(content::SPEECH_RECOGNITION_ERROR_ABORTED);
+        return Abort(SPEECH_RECOGNITION_ERROR_ABORTED);
       case proto::SpeechRecognitionEvent::STATUS_SERVICE_NOT_ALLOWED:
         // TODO(hans): We need a better error code for this.
-        return Abort(content::SPEECH_RECOGNITION_ERROR_ABORTED);
+        return Abort(SPEECH_RECOGNITION_ERROR_ABORTED);
       case proto::SpeechRecognitionEvent::STATUS_BAD_GRAMMAR:
-        return Abort(content::SPEECH_RECOGNITION_ERROR_BAD_GRAMMAR);
+        return Abort(SPEECH_RECOGNITION_ERROR_BAD_GRAMMAR);
       case proto::SpeechRecognitionEvent::STATUS_LANGUAGE_NOT_SUPPORTED:
         // TODO(hans): We need a better error code for this.
-        return Abort(content::SPEECH_RECOGNITION_ERROR_ABORTED);
+        return Abort(SPEECH_RECOGNITION_ERROR_ABORTED);
     }
   }
 
@@ -524,19 +517,19 @@ GoogleStreamingRemoteEngine::CloseDownstream(const FSMEventArgs&) {
 
 GoogleStreamingRemoteEngine::FSMState
 GoogleStreamingRemoteEngine::AbortSilently(const FSMEventArgs&) {
-  return Abort(content::SPEECH_RECOGNITION_ERROR_NONE);
+  return Abort(SPEECH_RECOGNITION_ERROR_NONE);
 }
 
 GoogleStreamingRemoteEngine::FSMState
 GoogleStreamingRemoteEngine::AbortWithError(const FSMEventArgs&) {
-  return Abort(content::SPEECH_RECOGNITION_ERROR_NETWORK);
+  return Abort(SPEECH_RECOGNITION_ERROR_NETWORK);
 }
 
 GoogleStreamingRemoteEngine::FSMState GoogleStreamingRemoteEngine::Abort(
     SpeechRecognitionErrorCode error_code) {
   DVLOG(1) << "Aborting with error " << error_code;
 
-  if (error_code != content::SPEECH_RECOGNITION_ERROR_NONE) {
+  if (error_code != SPEECH_RECOGNITION_ERROR_NONE) {
     delegate()->OnSpeechRecognitionEngineError(
         SpeechRecognitionError(error_code));
   }
@@ -596,4 +589,4 @@ GoogleStreamingRemoteEngine::FSMEventArgs::FSMEventArgs(FSMEvent event_value)
 GoogleStreamingRemoteEngine::FSMEventArgs::~FSMEventArgs() {
 }
 
-}  // namespace speech
+}  // namespace content