If speech input is disabled and we receive IPC calls, terminate the renderer.

BUG=68666
TEST=none

Review URL: http://codereview.chromium.org/6128001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70634 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 23 insertions, 0 deletions

diff --git a/chrome/browser/speech/speech_input_manager.cc b/chrome/browser/speech/speech_input_manager.cc
index b370da4..ef7a758 100644
--- a/chrome/browser/speech/speech_input_manager.cc
+++ b/chrome/browser/speech/speech_input_manager.cc
@@ -8,11 +8,14 @@
 #include <string>
 
 #include "app/l10n_util.h"
+#include "base/command_line.h"
 #include "base/lock.h"
 #include "base/ref_counted.h"
 #include "base/lazy_instance.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_thread.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/speech/speech_input_bubble_controller.h"
 #include "chrome/browser/speech/speech_recognizer.h"
@@ -150,6 +153,26 @@ SpeechInputManager* SpeechInputManager::Get() {
   return g_speech_input_manager_impl.Pointer();
 }
 
+bool SpeechInputManager::IsFeatureEnabled() {
+  bool enabled = true;
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+
+  if (command_line.HasSwitch(switches::kDisableSpeechInput)) {
+    enabled = false;
+#if defined(GOOGLE_CHROME_BUILD)
+  } else if (!command_line.HasSwitch(switches::kEnableSpeechInput)) {
+    // We need to evaluate whether IO is OK here. http://crbug.com/63335.
+    base::ThreadRestrictions::ScopedAllowIO allow_io;
+    // Official Chrome builds have speech input enabled by default only in the
+    // dev channel.
+    std::string channel = platform_util::GetVersionStringModifier();
+    enabled = (channel == "dev");
+#endif
+  }
+
+  return enabled;
+}
+
 SpeechInputManagerImpl::SpeechInputManagerImpl()
     : recording_caller_id_(0),
       bubble_controller_(new SpeechInputBubbleController(