Improve the UI for handling profile lock contention.

chrome/app/google_chrome_strings.grd

Index: chrome/app/google_chrome_strings.grd
diff --git a/chrome/app/google_chrome_strings.grd b/chrome/app/google_chrome_strings.grd
index 3898018407827b0221a772be83681c3a5131684b..e6f963472a5b2bc061ed1f63e4d29ef589ce732e 100644
--- a/chrome/app/google_chrome_strings.grd
+++ b/chrome/app/google_chrome_strings.grd
@@ -975,6 +975,15 @@ Signing in anyway will merge Chrome information like bookmarks, history, and oth
       <message name="IDS_MEDIA_STREAM_STATUS_TRAY_TEXT_VIDEO_ONLY" desc="Tool tip for the capture status tray icon when camera is being used">
         Google Chrome is using your camera.
       </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 another Google Chrome process (<ph name="PROCESS_ID">$1<ex>12345</ex></ph>) on another computer (<ph name="HOST_NAME">$2<ex>example.com</ex></ph>).  Chrome has locked the profile so that it doesn't get corrupted.  If you are sure no other processes are using this profile, you can unlock the profile and relaunch Chrome.
+      </message>
+      <message name="IDS_PROFILE_IN_USE_LINUX_RELAUNCH" desc="Text of button in dialog to delete the profile lock file.">
+        Unlock Profile and Relaunch
+      </message>
+
     </messages>
   </release>
 </grit>