A11y: polish texts in the settings and oobe

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="pp_ifdef('chromeos')">. -->
 <grit-part>
   <!-- Idle Logout Dialog Strings -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog">
     Are you still there?
   </message>
   <message name="IDS_IDLE_LOGOUT_WARNING_RESTART" desc="Restart label for the idle logout dialog">
     This computer will reset in <ph name="LOGOUT_TIME_LEFT">$1<ex>20</ex></ph> seconds.
@@ skipping 274 matching lines @@
   <message name="IDS_NETWORK_SELECTION_ERROR" desc="Error shown when connection to network failed or timed out.">
     <ph name="PRODUCT_NAME">$1<ex>Chrome OS</ex></ph> was unable to connect to <ph name="NETWORK_ID">$2<ex>Public Wifi</ex></ph>. Please select another network or try again.
   </message>
   <message name="IDS_OOBE_ACCESSIBILITY_LINK" desc="Link shown on OOBE screens that opens accessibility options menu.">
     Accessibility
   </message>
   <message name="IDS_OOBE_SPOKEN_FEEDBACK_OPTION" desc="Spoken feedback option shown on OOBE screens accessibility menu.">
     Spoken feedback
   </message>
   <message name="IDS_OOBE_HIGH_CONTRAST_MODE_OPTION" desc="High contrast mode option shown on OOBE screens accessibility menu.">
-    High contrast mode 
+    High contrast
   </message>
   <message name="IDS_OOBE_SCREEN_MAGNIFIER_OPTION" desc="Screen magnifier option shown on OOBE screens accessibility menu.">
     Screen magnifier 
   </message>
   <message name="IDS_LOGIN_TITLE" desc="Title of sign in box">
     Sign in
   </message>
   <message name="IDS_LOGIN_TITLE_HINT" desc="Hint under title 'Sign in to Chrome OS'">
     with your Google Account
   </message>
@@ skipping 364 matching lines @@
   <message name="IDS_OPTIONS_SETTINGS_BLUETOOTH_FORGET_FAILED">
     Failed to disconnect and unpair from "<ph name="DEVICE_NAME">%1<ex>Nexus S</ex></ph>".
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_EXPLANATION" desc="In the settings tab, this text explains the accessibiliy features.">
     Enable the accessibility features you need.
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SPOKEN_FEEDBACK_DESCRIPTION" desc="In the settings tab, the text next to the checkbox for spoken feedback.">
     Enable spoken feedback
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_HIGH_CONTRAST_DESCRIPTION" desc="In the settings tab, the text next to the checkbox for high contrast mode.">
-    Enable high contrast mode
+    Enable high contrast
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_DESCRIPTION" desc="In the settings tab, the text next to the dropdown for screen magnifier.">
     Enable screen magnifier
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_OFF" desc="In the settings tab, the option indication the screen magnifier is off.">
     Off
   </message>
   <message name="IDS_OPTIONS_SETTINGS_ACCESSIBILITY_SCREEN_MAGNIFIER_FULL" desc="In the settings tab, the option indication the screen magnifier is set to full.">
     Full
   </message>
@@ skipping 2776 matching lines @@
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_INFO_FORMAT" desc="Template for text shown in the public account user pod, informing the user that this is a public, managed account.">
     This device is owned by <ph name="DOMAIN">$1<ex>yourdomain.com</ex></ph> and will be used by others after you.
   </message>
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_SIGNOUT_REMINDER" desc="Text shown in the public account user pod, reminding the user to log out.">
     Please remember to sign out when you're done.
   </message>
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_ENTER" desc="Label text for the sign-in button in the public account user pod.">
     Enter
   </message>
 </grit-part>