Delete code for and references to mini-gallery and theme install bubbles.

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 11266 matching lines @@
     </message>
     <message name="IDS_GEOLOCATION_BLOCKED_TOOLTIP" desc="Location bar icon tooltip text when a page is blocked from using geolocation.">
       This page has been blocked from tracking your location.
     </message>
 
     <!-- ProcessSingleton -->
     <message name="IDS_PROFILE_IN_USE_LINUX" desc="Message shown when the browser cannot start because the profile is in use on a different host.">
       The profile appears to be in use by process <ph name="PROCESS_ID">$1<ex>12345</ex></ph> on host <ph name="HOST_NAME">$2<ex>example.com</ex></ph>.  If you are sure no other processes are using this profile, delete the file <ph name="LOCK_FILE">$3<ex>/home/user/.config/google-chrome/SingletonLock</ex></ph> and relaunch <ph name="PRODUCT_NAME">$4<ex>Google Chrome</ex></ph>.
     </message>
 
-    <!-- Theme UI -->
-    <message name="IDS_THEME_LOADING_TITLE" desc="The text to be displayed in a window while a theme is loading.">
-      Loading...
-    </message>
-
     <!-- Update Recommended dialog -->
     <if expr="not pp_ifdef('chromeos')">
       <message name="IDS_UPDATE_RECOMMENDED" desc="The main text of the Update Recommended dialog.">
         <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> is out of date because it hasn't been relaunched in a while. An update is available and will be applied as soon as you relaunch.
       </message>
       <message name="IDS_RELAUNCH_AND_UPDATE" desc="The button label for relaunching and updating Chrome.">
         Relaunch
       </message>
     </if>
     <if expr="pp_ifdef('chromeos')">
@@ skipping 3232 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>