Roll libjpeg_turbo to r291725 (git 2ed5319).

DEPS

 # This file is automatically processed to create .DEPS.git which is the file
 # that gclient uses under git.
 #
 # See http://code.google.com/p/chromium/wiki/UsingGit
 #
 # To test manually, run:
 #   python tools/deps2git/deps2git.py -o .DEPS.git -w <gclientdir>
 # where <gcliendir> is the absolute path to the directory containing the
 # .gclient file (the parent of 'src').
 #
@@ skipping 208 matching lines @@
   'src/third_party/libsrtp':
    Var('chromium_git') + '/chromium/deps/libsrtp.git' + '@' + '662d81de5cbf3667f1baaafe051b8b4ab0b12fe2',
 
   'src/third_party/speex':
    Var('chromium_git') + '/chromium/deps/speex.git' + '@' + '5260621c36c227209c7ba64ea71ca3418cf9e2b4',
 
   'src/third_party/yasm/source/patched-yasm':
    Var('chromium_git') + '/chromium/deps/yasm/patched-yasm.git' + '@' + 'c960eb11ccda80b10ed50be39df4f0663b371d1d',
 
   'src/third_party/libjpeg_turbo':
-   Var('chromium_git') + '/chromium/deps/libjpeg_turbo.git' + '@' + '7a076b517c739af5197cad380b110f0ffc085d89',
+   Var('chromium_git') + '/chromium/deps/libjpeg_turbo.git' + '@' + '2ed5319ce40b0ba2cd9b962713ea0ef775781e69',
 
   'src/third_party/flac':
    Var('chromium_git') + '/chromium/deps/flac.git' + '@' + '0635a091379d9677f1ddde5f2eec85d0f096f219',
 
   'src/third_party/pyftpdlib/src':
     Var('chromium_git') + '/external/pyftpdlib.git' + '@' + '2be6d65e31c7ee6320d059f581f05ae8d89d7e45',
 
   'src/third_party/scons-2.0.1':
    Var('chromium_git') + '/native_client/src/third_party/scons-2.0.1.git' + '@' + '1c1550e17fc26355d08627fbdec13d8291227067',
 
@@ skipping 552 matching lines @@
     # corresponding .py files have already been deleted.
     'name': 'remove_stale_pyc_files',
     'pattern': 'src/tools/.*\\.py',
     'action': [
         'python',
         'src/tools/remove_stale_pyc_files.py',
         'src/tools',
     ],
   },
 ]