Add GTK interface for installing bundles of extensions.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 63606f3dd24ba84601c83e9015d696db62161e5e..88f4d24de6094370bdecfd00e1426b5291313603 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -3893,6 +3893,9 @@ Public Exponent (<ph name="PUBLIC_EXPONENT_NUM_BITS">$3<ex>24</ex></ph> bits):
       </message>
 
       <!-- Extension/App install prompt -->
+      <message name="IDS_EXTENSION_INSTALL_PROMPT_TITLE" desc="Titlebar of the extension or app installation prompt window">
+        Confirm Installation
+      </message>
       <message name="IDS_EXTENSION_INSTALL_APP_PROMPT_TITLE" desc="Titlebar of the extension or app installation prompt window">
         Confirm New App
       </message>
@@ -3911,6 +3914,15 @@ Public Exponent (<ph name="PUBLIC_EXPONENT_NUM_BITS">$3<ex>24</ex></ph> bits):
       <message name="IDS_EXTENSION_INSTALL_PROMPT_HEADING" desc="First bold line in the content area of the extension or app installation prompt. Asks the user if they want to install a particular extension or app.">
         Add "<ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph>"?
       </message>
+      <message name="IDS_EXTENSION_BUNDLE_INSTALL_PROMPT_HEADING_EXTENSIONS" desc="First bold line in the content area of the extension bundle installation prompt. Asks the user if they want to install the set of extensions.">
+        Install these extensions?
+      </message>
+      <message name="IDS_EXTENSION_BUNDLE_INSTALL_PROMPT_HEADING_APPS" desc="First bold line in the content area of the app bundle installation prompt. Asks the user if they want to install the set of apps.">
+        Install these apps?
+      </message>
+      <message name="IDS_EXTENSION_BUNDLE_INSTALL_PROMPT_HEADING_EXTENSION_APPS" desc="First bold line in the content area of the extension and app bundle installation prompt. Asks the user if they want to install the set of apps and extensions.">
+        Install these apps and extensions?
+      </message>
       <message name="IDS_EXTENSION_UNINSTALL_PROMPT_HEADING" desc="First bold line in the content area of the extension or app uninstallation prompt. Asks the user if they want to uninstall a particular extension or app.">
         Remove "<ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph>"?
       </message>
@@ -3947,6 +3959,9 @@ Update checks have repeatedly failed for the extension "<ph name="EXTENSION_NAME
       <message name="IDS_EXTENSION_PROMPT_WILL_NOW_HAVE_ACCESS_TO" desc="Second line in the content area of the extension or app re-enable prompt. Note that the exact wording is important. This should mean that the extension _can now_ access the listed privileges, but not necessarily that it will or needs to. This message appeared because the user must approve new permissions of the extension or app.">
         It can now access:
       </message>
+      <message name="IDS_EXTENSION_PROMPT_THESE_WILL_HAVE_ACCESS_TO" desc="Header for the permissions area of the bundled extension or app installation prompt. Note that the exact wording is important. This means that the extensions or apps _can_ access the listed privileges, but not necessarily that it will or needs to.">
+        They can access:
+      </message>
       <message name="IDS_EXTENSION_PROMPT_WANTS_ACCESS_TO" desc="Second line in the content area of the extension or app permissions prompt. Note that the exact wording is important. This should mean that the extension _wants to_ access the listed privileges, but not necessarily that it will or needs to. This message appeared because the user must approve new permissions of the extension or app.">
         It could access:
       </message>
@@ -4152,10 +4167,21 @@ Update checks have repeatedly failed for the extension "<ph name="EXTENSION_NAME
       </message>
 
       <!-- Extension installed bubble -->
+      <message name="IDS_EXTENSION_BUNDLE_INSTALLED_HEADING_EXTENSIONS" desc="First line in the content area of the extension bundle installed bubble. Instructs which extensions were installed.">
+        The following extensions are now installed:
+      </message>
+      <message name="IDS_EXTENSION_BUNDLE_INSTALLED_HEADING_APPS" desc="First line in the content area of the extension bundle installed bubble. Instructs which apps were installed.">
+        The following apps are now installed:
+      </message>
+      <message name="IDS_EXTENSION_BUNDLE_INSTALLED_HEADING_EXTENSION_APPS" desc="First line in the content area of the extension bundle installed bubble. Instructs which apps and extensions were installed.">
+        The following apps and extensions were added:
+      </message>
+      <message name="IDS_EXTENSION_BUNDLE_ERROR_HEADING" desc="Text displayed in the extension bundle installed bubble when some extensions or apps failed to install. Instructs which extensions did not install.">
+        We were unable to install:
+      </message>
       <message name="IDS_EXTENSION_INSTALLED_APP_INFO" desc="Text displayed inside a link when an app is installed. Clicking this link opens up the New Tab Page to show the app's icon.">
         Show me
       </message>
-
       <message name="IDS_EXTENSION_INSTALLED_PAGE_ACTION_INFO" desc="Text displayed in the InfoBubble which explains that the UI of this extension is a Page Action icon which may appear for some pages.">
         This icon will be visible when the extension can act on the current page.
       </message>