Update default app first run dialog to match new mocks

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 7aea90fdd79a31adb4e73f3818bf1d8952e03b7e..723d4ad83b5c2165ef0e6a4b1360be00c18c15a5 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -3951,6 +3951,9 @@ Make sure you do not expose any sensitive information.
       <message name="IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_TITLE" desc="Titlebar of the extension or app permissions review window">
         Current Permissions
       </message>
+      <message name="IDS_EXTENSION_FIRST_RUN_PROMPT_TITLE" desc="Titlebar of the extension or app permissions prompt window">
+        Confirm Permissions
+      </message>
       <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>
@@ -3975,6 +3978,9 @@ Make sure you do not expose any sensitive information.
       <message name="IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_HEADING" desc="First bold line in the content area of the extension or app permissions prompt. Shows the user the permissions a particular extension or app has.">
         <ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph>
       </message>
+      <message name="IDS_EXTENSION_FIRST_RUN_PROMPT_HEADING" desc="First bold line in the content area of the extension or app permissions prompt. Asks the user if they want to accept permission for a particular app.">
+        Enable "<ph name="EXTENSION_NAME">$1<ex>Gmail Checker</ex></ph>"?
+      </message>
 
       <!-- Extension alerts. -->
       <message name="IDS_EXTENSION_ALERT_TITLE" desc="Titlebar of the extension notification alert">
@@ -5027,9 +5033,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ABORT_BUTTON" desc="Button on the external install prompt to remove an extension installed by a third party.">
         Remove from Chrome
       </message>
-      <message name="IDS_EXTENSION_PROMPT_FIRST_RUN_DECLINE_BUTTON" desc="Button on the first run dialog to remove an app installed by OEM.">
-        Remove app
-      </message>
       <message name="IDS_EXTENSIONS_DISABLED" desc="(Disabled) label next to the application name when the application is disabled.">
         (Disabled)
       </message>