Move thumbnail to history component

chrome/browser/history/DEPS

 include_rules = [
   # History is being made into a Browser Component, so we have these
   # basic rules followed by temporary exceptions.  Please don't
   # add to the list of exceptions!
   "-chrome/browser",
   "+chrome/browser/chrome_notification_types.h",
   "+chrome/browser/common",
   "+chrome/browser/favicon",
   "+chrome/browser/history",
   "+chrome/browser/network_time",
   "+chrome/tools/profiles",  # For history unit tests.
   "+components/visitedlink/browser",
+  "+components/history/core/common",

[sdefresne, 2014/06/02 19:56:55]

This should not be required as //chrome/browser DEPS rules also apply here.

[nshaik, 2014/06/08 08:43:41]

Done.

 
   # TODO(erikwright): Bring this list to zero.
   #
   # Do not add to the list of temporarily-allowed dependencies below,
   # and please do not introduce more #includes of these files.
   "!chrome/browser/autocomplete/autocomplete_match.h",
   "!chrome/browser/autocomplete/autocomplete_result.h",
   "!chrome/browser/autocomplete/history_provider_util.h",
   "!chrome/browser/autocomplete/history_url_provider.h",
   "!chrome/browser/autocomplete/url_prefix.h",
@@ skipping 38 matching lines @@
   ],
   # TODO(erikwright): Bring this list to zero.
   #
   # Do not add to the list of temporarily-allowed dependencies below,
   # and please do not introduce more #includes of these files.
   '.*_[a-z]*test\.cc': [
     "!chrome/browser/bookmarks/bookmark_test_helpers.h",
     "!chrome/browser/bookmarks/bookmark_utils.h",
   ]
 }