Don't make checkdeps ignore includes to directories that are brought in via deps.

DEPS

 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://%(repo)s.svn.sourceforge.net/svnroot/%(repo)s",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
   "webkit_revision": "115339",
   "chromium_git": "http://git.chromium.org/git",
   "swig_revision": "69281",
@@ skipping 433 matching lines @@
     "src/third_party/gold":
       "/trunk/deps/third_party/gold@124239",
   },
 }
 
 
 include_rules = [
   # Everybody can use some things.
   "+base",
   "+build",
+  "+googleurl",
   "+ipc",
 
   # For now, we allow ICU to be included by specifying "unicode/...", although
   # this should probably change.
   "+unicode",
   "+testing",
 ]
 
 
 # checkdeps.py shouldn't check include paths for files in these dirs:
@@ skipping 68 matching lines @@
     "pattern": ".",
     "action": ["python", "src/build/util/lastchange.py",
                "-o", "src/build/util/LASTCHANGE"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]