Add support for rich output inside of content editables.

chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js

Index: chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js
diff --git a/chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js b/chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js
index 74902a019dd4df412115810b179470c4f88104de..543d52cc0e3688391c21d0185c257702b9f9f1cd 100644
--- a/chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js
+++ b/chrome/browser/resources/chromeos/chromevox/common/editable_text_base.js
@@ -352,14 +352,7 @@ cvox.ChromeVoxEditableTextBase.prototype.describeSelectionChanged =
       this.speak(Msgs.getMsg('Unselected'), evt.triggeredByUser);
     } else if (this.getLineIndex(this.start) !=
         this.getLineIndex(evt.start)) {
-      // Moved to a different line; read it.
-      var lineValue = this.getLine(this.getLineIndex(evt.start));
-      if (lineValue == '') {
-        lineValue = Msgs.getMsg('text_box_blank');
-      } else if (/^\s+$/.test(lineValue)) {
-        lineValue = Msgs.getMsg('text_box_whitespace');
-      }
-      this.speak(lineValue, evt.triggeredByUser);
+      this.describeLine(this.getLineIndex(evt.start), evt.triggeredByUser);
     } else if (this.start == evt.start + 1 ||
         this.start == evt.start - 1) {
       // Moved by one character; read it.
@@ -426,6 +419,22 @@ cvox.ChromeVoxEditableTextBase.prototype.describeSelectionChanged =
   }
 };
 
+/**
+ * Describes a line given a line index and whether it was user triggered.
+ * @param {number} lineIndex
+ * @param {boolean} triggeredByUser
+ */
+cvox.ChromeVoxEditableTextBase.prototype.describeLine =
+    function(lineIndex, triggeredByUser) {
+  var lineValue = this.getLine(lineIndex);
+  if (lineValue == '') {
+    lineValue = Msgs.getMsg('text_box_blank');
+  } else if (/^\s+$/.test(lineValue)) {
+    lineValue = Msgs.getMsg('text_box_whitespace');
+  }
+  this.speak(lineValue, triggeredByUser);
+};
+
 
 /**
  * Describe a change where the text changes.