Enable side-by-side beta and dev channels.

chrome/app/google_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are specific to
 Google Chrome. These strings will be translated for each locale that Google
 Chrome supports. If you update this file, be sure also to update
 chromium_strings.grd. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/google_chrome_strings.h" type="rc_header">
@@ skipping 120 matching lines @@
       <message name="IDS_PROFILES_DISCONNECT_MANAGED_PROFILE_TEXT" desc="Message explaining to the user what will happen if they disconnect the managed profile.">
         Disconnecting <ph name="USERNAME">$1<ex>someone@example.com</ex></ph> will clear your history, bookmarks, settings, and other Chrome data stored on this device. Data stored in your Google Account will not be cleared and can be managed on <ph name="GOOGLE_DASHBOARD_LINK">&lt;a target="_blank" href="$2"&gt;</ph>Google Dashboard<ph name="END_GOOGLE_DASHBOARD_LINK">&lt;/a&gt;</ph>.
       </message>
       <message name="IDS_PRODUCT_NAME" desc="The Chrome application name">
         Google Chrome
       </message>
       <message name="IDS_SHORT_PRODUCT_NAME" desc="The Chrome application short name">
         Chrome
       </message>
       <if expr="is_win">
-        <message name="IDS_SXS_SHORTCUT_NAME" desc="The Chrome short cut name for SxS channel">
+        <message name="IDS_SXS_SHORTCUT_NAME" desc="The Chrome shortcut name for canary channel">
           Google Chrome Canary
         </message>
+        <message name="IDS_SHORTCUT_NAME_BETA" desc="The Chrome shortcut name for beta channel">
+          Google Chrome Beta
+        </message>
+        <message name="IDS_SHORTCUT_NAME_DEV" desc="The Chrome shortcut name for dev channel">
+          Google Chrome Dev
+        </message>
         <message name="IDS_PRODUCT_DESCRIPTION" desc="Browser description">
           Google Chrome is a web browser that runs webpages and applications with lightning speed. It's fast, stable, and easy to use. Browse the web more safely with malware and phishing protection built into Google Chrome.
         </message>
       </if>
       <if expr="chromeos">
         <message name="IDS_PRODUCT_OS_NAME" desc="The Chrome OS application name">
           Google Chrome OS
         </message>
         <message name="IDS_SHORT_PRODUCT_OS_NAME" desc="The Chrome OS application short name">
           Chrome OS
@@ skipping 699 matching lines @@
         </if>
       </if>
 
       <!-- App shortcuts -->
       <message name="IDS_APP_SHORTCUTS_SUBDIR_NAME" desc="Name for the Chrome Apps Start Menu folder name.">
         Chrome Apps
       </message>
       <message name="IDS_APP_SHORTCUTS_SUBDIR_NAME_CANARY" desc="Name for the Chrome Apps Start Menu folder name for the Canary channel.">
         Chrome Canary Apps
       </message>
+      <if expr="is_win">
+        <message name="IDS_APP_SHORTCUTS_SUBDIR_NAME_BETA" desc="Name for the Chrome Apps Start Menu folder name for the Beta channel.">
+          Chrome Beta Apps
+        </message>
+        <message name="IDS_APP_SHORTCUTS_SUBDIR_NAME_DEV" desc="Name for the Chrome Apps Start Menu folder name for the Dev channel.">
+          Chrome Dev Apps
+        </message>
+      </if>
 
       <!-- Chrome Conflicts bubble -->
       <if expr="is_win">
         <message name="IDS_OPTIONS_CONFLICTING_MODULE" desc="Shown in a bubble when a conflict has been detected.">
           Software running on your computer is incompatible with Google Chrome.
         </message>
       </if>
 
       <!-- Chrome OS OOBE Terms of Service screen-->
       <if expr="chromeos">
@@ skipping 118 matching lines @@
       <!-- Webstore strings -->
       <message name="IDS_WEBSTORE_APP_DESCRIPTION" desc="Description for the WebStore app.">
         Discover great apps, games, extensions and themes for Google Chrome.
       </message>
 
       <!-- Windows firewall rule strings. -->
       <if expr="is_win">
         <message name="IDS_INBOUND_MDNS_RULE_NAME" desc="The name of the firewall rule allowing inbound mDNS traffic.">
           Google Chrome (mDNS-In)
         </message>
+        <message name="IDS_INBOUND_MDNS_RULE_NAME_BETA" desc="The name of the firewall rule allowing inbound mDNS traffic for beta.">
+          Google Chrome Beta (mDNS-In)
+        </message>
         <message name="IDS_INBOUND_MDNS_RULE_NAME_CANARY" desc="The name of the firewall rule allowing inbound mDNS traffic for canary.">
           Google Chrome Canary (mDNS-In)
         </message>
+        <message name="IDS_INBOUND_MDNS_RULE_NAME_DEV" desc="The name of the firewall rule allowing inbound mDNS traffic for dev.">
+          Google Chrome Dev (mDNS-In)
+        </message>
         <message name="IDS_INBOUND_MDNS_RULE_DESCRIPTION" desc="The description of the firewall rule allowing inbound mDNS traffic.">
           Inbound rule for Google Chrome to allow mDNS traffic.
         </message>
+        <message name="IDS_INBOUND_MDNS_RULE_DESCRIPTION_BETA" desc="The description of the firewall rule allowing inbound mDNS traffic beta.">
+          Inbound rule for Google Chrome Beta to allow mDNS traffic.
+        </message>
         <message name="IDS_INBOUND_MDNS_RULE_DESCRIPTION_CANARY" desc="The description of the firewall rule allowing inbound mDNS traffic canary.">
           Inbound rule for Google Chrome Canary to allow mDNS traffic.
         </message>
+        <message name="IDS_INBOUND_MDNS_RULE_DESCRIPTION_DEV" desc="The description of the firewall rule allowing inbound mDNS traffic dev.">
+          Inbound rule for Google Chrome Dev to allow mDNS traffic.
+        </message>
       </if>
 
       <if expr="not is_android">
         <message name="IDS_CONTENT_CONTEXT_SPELLING_BUBBLE_TEXT" desc="The text of a bubble that confirms users allows integrating the spelling service of Google to Chrome.">
           Google Chrome can provide smarter spell-checking by sending what you type in the browser to Google servers, allowing you to use the same spell-checking technology used by Google search.
         </message>
         <message name="IDS_RESET_PROFILE_SETTINGS_FEEDBACK" desc="Feedback label in the Reset Profile Settings dialog">
           Help make Google Chrome better by reporting the current settings
         </message>
       </if>
@@ skipping 228 matching lines @@
         <message name="IDS_WIN10_WELCOME_PIN_SUBHEADING" desc="A subheading on a section which gives instructions on how to pin Chrome to the Windows 10 taskbar.">
           Pin Chrome to your taskbar
         </message>
         <message name="IDS_WIN10_WELCOME_SELECT" desc="An instruction asking the user to select Chrome from an external list of apps.">
           Select <ph name="SMALL_PRODUCT_LOGO">&lt;div class="logo-small"&gt;&lt;/div&gt;</ph> <ph name="BEGIN_BOLD">&lt;strong&gt;</ph>Google Chrome<ph name="END_BOLD">&lt;/strong&gt;</ph>
         </message>
       </if>
     </messages>
   </release>
 </grit>