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

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 3ef6e52864e030653352ac9e14927dbccd37aa99..a88e7d22a9574ee71003300547c2f4cdc7f23e39 100644
--- a/DEPS
+++ b/DEPS
@@ -333,7 +333,7 @@ deps = {
 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",
@@ -360,7 +360,7 @@ deps_os = {
     "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":
@@ -486,7 +486,7 @@ deps_os = {
   },
   "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@" +
@@ -509,7 +509,7 @@ deps_os = {
   "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",