Remove the --speech-service-key command line flag.

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 89bfdcd13b98fbc134ff90a8fba6f739036bb3e4..88a461a41c71cada6bdba693d9c199d82bf6fb1d 100644
--- a/content/browser/speech/google_streaming_remote_engine.cc
+++ b/content/browser/speech/google_streaming_remote_engine.cc
@@ -7,7 +7,6 @@
 #include <vector>
 
 #include "base/bind.h"
-#include "base/command_line.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ -69,21 +68,6 @@ void DumpResponse(const std::string& response) {
   }
 }
 
-std::string GetAPIKey() {
-  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-  if (command_line.HasSwitch(switches::kSpeechRecognitionWebserviceKey)) {
-    DVLOG(1) << "GetAPIKey() used key from command-line.";
-    return command_line.GetSwitchValueASCII(
-        switches::kSpeechRecognitionWebserviceKey);
-  }
-
-  std::string api_key = google_apis::GetAPIKey();
-  if (api_key.empty())
-    DVLOG(1) << "GetAPIKey() returned empty string!";
-
-  return api_key;
-}
-
 }  // namespace
 
 const int GoogleStreamingRemoteEngine::kAudioPacketIntervalMs = 100;
@@ -317,7 +301,7 @@ GoogleStreamingRemoteEngine::ConnectBothStreams(const FSMEventArgs&) {
   // Setup downstream fetcher.
   std::vector<std::string> downstream_args;
   downstream_args.push_back(
-      "key=" + net::EscapeQueryParamValue(GetAPIKey(), true));
+      "key=" + net::EscapeQueryParamValue(google_apis::GetAPIKey(), true));
   downstream_args.push_back("pair=" + request_key);
   downstream_args.push_back("output=pb");
   GURL downstream_url(std::string(kWebServiceBaseUrl) +
@@ -337,7 +321,7 @@ GoogleStreamingRemoteEngine::ConnectBothStreams(const FSMEventArgs&) {
   // TODO(hans): Support for user-selected grammars.
   std::vector<std::string> upstream_args;
   upstream_args.push_back("key=" +
-      net::EscapeQueryParamValue(GetAPIKey(), true));
+      net::EscapeQueryParamValue(google_apis::GetAPIKey(), true));
   upstream_args.push_back("pair=" + request_key);
   upstream_args.push_back("output=pb");
   upstream_args.push_back(