Roll reference build for all platforms (Windows, Mac and Linux) to r175144.

DEPS

 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 
 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",
@@ skipping 315 matching lines @@
     Var("chromium_git") + "/external/accessibility-developer-tools.git@d694593cc87d18ccb7e2cb94d447354f5fc6c059",
 
   "src/webkit/media/crypto/ppapi/cdm":
     "/trunk/deps/cdm@173055",
 }
 
 
 deps_os = {
   "win": {
     "src/chrome/tools/test/reference_build/chrome_win":
-      "/trunk/deps/reference_builds/chrome_win@137747",
+      "/trunk/deps/reference_builds/chrome_win@175144",
 
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@133786",
 
     "src/third_party/python_26":
       "/trunk/tools/third_party/python_26@89111",
 
     "src/third_party/psyco_win32":
       "/trunk/deps/third_party/psyco_win32@79861",
 
     "src/third_party/bison":
       "/trunk/deps/third_party/bison@147303",
 
     "src/third_party/gperf":
       "/trunk/deps/third_party/gperf@147304",
 
     "src/third_party/perl":
       "/trunk/deps/third_party/perl@147900",
 
     "src/third_party/lighttpd":
       "/trunk/deps/third_party/lighttpd@33727",
 
     # Chrome Frame related deps
     "src/third_party/xulrunner-sdk":
       "/trunk/deps/third_party/xulrunner-sdk@119756",
     "src/chrome_frame/tools/test/reference_build/chrome_win":
-      "/trunk/deps/reference_builds/chrome_win@89574",
+      "/trunk/deps/reference_builds/chrome_win@175144",
 
     # Parses Windows PE/COFF executable format.
     "src/third_party/pefile":
       (Var("googlecode_url") % "pefile") + "/trunk@63",
 
     # NSS, for SSLClientSocketNSS.
     "src/third_party/nss":
       "/trunk/deps/third_party/nss@" + Var("nss_revision"),
 
     "src/third_party/swig/win":
@@ skipping 105 matching lines @@
     "src/third_party/WebKit/Source": None,
     "src/third_party/WebKit/Tools/DumpRenderTree": None,
     "src/third_party/WebKit/Tools/Scripts": None,
     "src/third_party/WebKit/Tools/TestWebKitAPI": None,
     "src/third_party/yasm/source/patched-yasm": None,
     "src/tools/page_cycler/acid3": None,
     "src/v8": None,
   },
   "mac": {
     "src/chrome/tools/test/reference_build/chrome_mac":
-      "/trunk/deps/reference_builds/chrome_mac@137727",
+      "/trunk/deps/reference_builds/chrome_mac@175144",
 
     "src/third_party/GTM":
       (Var("googlecode_url") % "google-toolbox-for-mac") + "/trunk@" +
       Var("gtm_revision"),
     "src/third_party/pdfsqueeze":
       (Var("googlecode_url") % "pdfsqueeze") + "/trunk@5",
     "src/third_party/lighttpd":
       "/trunk/deps/third_party/lighttpd@33737",
 
     "src/third_party/swig/mac":
       "/trunk/deps/third_party/swig/mac@" + Var("swig_revision"),
 
     # NSS, for SSLClientSocketNSS.
     "src/third_party/nss":
       "/trunk/deps/third_party/nss@" + Var("nss_revision"),
 
     "src/chrome/installer/mac/third_party/xz/xz":
       "/trunk/deps/third_party/xz@87706",
   },
   "unix": {
     # Linux, really.
     "src/chrome/tools/test/reference_build/chrome_linux":
-      "/trunk/deps/reference_builds/chrome_linux@137712",
+      "/trunk/deps/reference_builds/chrome_linux@175144",
 
     "src/third_party/xdg-utils":
       "/trunk/deps/third_party/xdg-utils@149334",
 
     "src/third_party/swig/linux":
       "/trunk/deps/third_party/swig/linux@" + Var("swig_revision"),
 
     "src/third_party/lss":
       ((Var("googlecode_url") % "linux-syscall-support") + "/trunk/lss@" +
        Var("lss_revision")),
@@ skipping 143 matching lines @@
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
   {
     # Check for landmines (reasons to clobber the build).
     "pattern": ".",
     "action": ["python", "src/build/landmines.py"],
   },
 ]