Linux: include an updated copy of xdg-mime that fixes default browser selection on KDE 4.

DEPS

 vars = {
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://nativeclient.googlecode.com/svn/trunk",
   "webkit_revision": "66464",
   "ffmpeg_revision": "57864",
   "skia_revision": "593",
   "chromium_git": "http://src.chromium.org/git",
   "swig_revision": "40423",
   "nacl_revision": "3005",
   "libvpx_revision": "57643",
@@ skipping 233 matching lines @@
 
     "src/chrome/installer/mac/third_party/xz/xz":
       "/trunk/deps/third_party/xz@50504",
   },
   "unix": {
     # Linux, really.
     "src/chrome/tools/test/reference_build/chrome_linux":
       "/trunk/deps/reference_builds/chrome_linux@41515",
 
     "src/third_party/xdg-utils":
-      "/trunk/deps/third_party/xdg-utils@29103",
+      "/trunk/deps/third_party/xdg-utils@58024",
 
     # TODO(ajwong): Move this into the OS-independent block.
     "src/third_party/yasm/source/patched-yasm":
       "/trunk/deps/third_party/yasm/patched-yasm@50870",
 
     "src/third_party/swig/linux":
       "/trunk/deps/third_party/swig/linux@" + Var("swig_revision"),
   },
 }
 
@@ skipping 27 matching lines @@
 ]
 
 
 hooks = [
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]