Improve braille related message descriptions and clean up message handling in Chromevox.

chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands.js

Index: chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands.js
diff --git a/chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands.js b/chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands.js
index 70c23884d20c2156133fd6dc74e02b23c56bccac..db2c7243cb1c51909e468d96ae3f55b3d976eea9 100644
--- a/chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands.js
+++ b/chrome/browser/resources/chromeos/chromevox/chromevox/injected/user_commands.js
@@ -299,11 +299,11 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
       var error = '';
       var wrap = '';
       if (cmdStruct.forward) {
-        wrap = cvox.ChromeVox.msgs.getMsg('wrapped_to_top');
-        error = cvox.ChromeVox.msgs.getMsg(NodeInfoStruct.forwardError);
+        wrap = Msgs.getMsg('wrapped_to_top');
+        error = Msgs.getMsg(NodeInfoStruct.forwardError);
       } else if (cmdStruct.backward) {
-        wrap = cvox.ChromeVox.msgs.getMsg('wrapped_to_bottom');
-        error = cvox.ChromeVox.msgs.getMsg(NodeInfoStruct.backwardError);
+        wrap = Msgs.getMsg('wrapped_to_bottom');
+        error = Msgs.getMsg(NodeInfoStruct.backwardError);
       }
       var found = null;
       var status = cmdStruct.status || cvox.UserEventDetail.Status.PENDING;
@@ -504,7 +504,7 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
       if (url != '') {
         cvox.ChromeVox.tts.speak(url, cvox.QueueMode.QUEUE);
       } else {
-        cvox.ChromeVox.tts.speak(cvox.ChromeVox.msgs.getMsg('no_url_found'),
+        cvox.ChromeVox.tts.speak(Msgs.getMsg('no_url_found'),
                                  cvox.QueueMode.QUEUE);
       }
       break;
@@ -527,12 +527,12 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
       }
       break;
     case 'forceClickOnCurrentItem':
-      prefixMsg = cvox.ChromeVox.msgs.getMsg('element_clicked');
+      prefixMsg = Msgs.getMsg('element_clicked');
       var targetNode = cvox.ChromeVox.navigationManager.getCurrentNode();
       cvox.DomUtil.clickElem(targetNode, false, false);
       break;
     case 'forceDoubleClickOnCurrentItem':
-      prefixMsg = cvox.ChromeVox.msgs.getMsg('element_double_clicked');
+      prefixMsg = Msgs.getMsg('element_double_clicked');
       var targetNode = cvox.ChromeVox.navigationManager.getCurrentNode();
       cvox.DomUtil.clickElem(targetNode, false, false, true);
       break;
@@ -559,7 +559,7 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
       break;
     case 'toggleSelection':
       var selState = cvox.ChromeVox.navigationManager.togglePageSel();
-      prefixMsg = cvox.ChromeVox.msgs.getMsg(
+      prefixMsg = Msgs.getMsg(
           selState ? 'begin_selection' : 'end_selection');
     break;
     case 'startHistoryRecording':
@@ -651,7 +651,7 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
     case 'passThroughMode':
       cvox.ChromeVox.passThroughMode = true;
       cvox.ChromeVox.tts.speak(
-          cvox.ChromeVox.msgs.getMsg('pass_through_key'), cvox.QueueMode.QUEUE);
+          Msgs.getMsg('pass_through_key'), cvox.QueueMode.QUEUE);
       break;
     case 'toggleSearchWidget':
       cvox.SearchWidget.getInstance().toggle();
@@ -659,8 +659,8 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
 
     case 'toggleEarcons':
       prefixMsg = cvox.ChromeVox.earcons.toggle() ?
-          cvox.ChromeVox.msgs.getMsg('earcons_on') :
-              cvox.ChromeVox.msgs.getMsg('earcons_off');
+          Msgs.getMsg('earcons_on') :
+              Msgs.getMsg('earcons_off');
       break;
 
     case 'showHeadingsList':
@@ -689,7 +689,7 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
         });
       } else {
         cvox.ChromeVox.tts.speak(
-          cvox.ChromeVox.msgs.getMsg('no_long_desc'),
+          Msgs.getMsg('no_long_desc'),
           cvox.QueueMode.FLUSH,
           cvox.AbstractTts.PERSONALITY_ANNOTATION);
       }
@@ -709,10 +709,10 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
     // Math specific commands.
     case 'toggleSemantics':
       if (cvox.TraverseMath.toggleSemantic()) {
-        cvox.ChromeVox.tts.speak(cvox.ChromeVox.msgs.getMsg('semantics_on'),
+        cvox.ChromeVox.tts.speak(Msgs.getMsg('semantics_on'),
                                  cvox.QueueMode.QUEUE);
       } else {
-        cvox.ChromeVox.tts.speak(cvox.ChromeVox.msgs.getMsg('semantics_off'),
+        cvox.ChromeVox.tts.speak(Msgs.getMsg('semantics_off'),
                                  cvox.QueueMode.QUEUE);
       }
       break;
@@ -748,7 +748,7 @@ cvox.ChromeVoxUserCommands.doCommand_ = function(cmdStruct) {
 
   if (errorMsg != '') {
     cvox.ChromeVox.tts.speak(
-        cvox.ChromeVox.msgs.getMsg(errorMsg),
+        Msgs.getMsg(errorMsg),
         cvox.QueueMode.FLUSH,
         cvox.AbstractTts.PERSONALITY_ANNOTATION);
   } else if (cvox.ChromeVox.navigationManager.isReading()) {