Add a tray notification UI for speech input recording in the extension API.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 14271 matching lines @@
     </message>
     <message name="IDS_SPEECH_INPUT_TRY_AGAIN" desc="Text shown on a button to retry speech recognition">
       Try again
     </message>
     <message name="IDS_SPEECH_INPUT_NET_ERROR" desc="Message shown when a network error occured and no results were received from the recognition server.">
       Connection to speech servers failed.
     </message>
     <message name="IDS_SPEECH_INPUT_MIC_SETTINGS" desc="Text displayed on a button or link to open the microphone settings window.">
       Microphone settings
     </message>
+    <message name="IDS_SPEECH_INPUT_TRAY_TOOLTIP" desc="Tool tip for the recording notification icon shown by the speech input extension API">
+      <ph name="PRODUCT_NAME">$2<ex>Google Chrome</ex></ph> extension "<ph name="EXTENSION_NAME">$1<ex>Speech Recognizer</ex></ph>" is currently recording audio for speech recognition.
+    </message>
+    <message name="IDS_SPEECH_INPUT_TRAY_BALLOON_TITLE" desc="Title of the balloon shown by the tray notification icon the first time a extension starts recording using the speech input extension API">
+      Audio recording started.
+    </message>
+    <message name="IDS_SPEECH_INPUT_TRAY_BALLOON_BODY" desc="Contents of the balloon shown by the tray notification icon the first time a extension starts recording using the speech input extension API">
+      <ph name="PRODUCT_NAME">$2<ex>Google Chrome</ex></ph> extension "<ph name="EXTENSION_NAME">$1<ex>Speech Recognizer</ex></ph>" has started recording audio for speech recognition. Look for the microphone tray icon to know when this happens again.
+    </message>
 
     <message name="IDS_IMAGE_FILES" desc="The description of the image file extensions in the select file dialog.">
       Image Files
     </message>
     <message name="IDS_AUDIO_FILES" desc="The description of the audio file extensions in the select file dialog.">
       Audio Files
     </message>
     <message name="IDS_VIDEO_FILES" desc="The description of the video file extensions in the select file dialog.">
       Video Files
     </message>
@@ skipping 294 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>