Update reference builds to 37.0.2062.94.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index e24576e4ca56de3d7570484aa485313a5649322c..b5d0a3138eedd3eb9dd364d919b3ad2152bb3afe 100644
--- a/DEPS
+++ b/DEPS
@@ -329,7 +329,7 @@ deps = {
 deps_os = {
   "win": {
     "src/chrome/tools/test/reference_build/chrome_win":
-      "/trunk/deps/reference_builds/chrome_win@273882",
+      "/trunk/deps/reference_builds/chrome_win@291530",
 
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@231940",
@@ -432,7 +432,7 @@ deps_os = {
   },
   "mac": {
     "src/chrome/tools/test/reference_build/chrome_mac":
-      "/trunk/deps/reference_builds/chrome_mac@273882",
+      "/trunk/deps/reference_builds/chrome_mac@291530",
 
     "src/third_party/google_toolbox_for_mac/src":
       (Var("googlecode_url") % "google-toolbox-for-mac") + "/trunk@" +
@@ -457,7 +457,7 @@ deps_os = {
   "unix": {
     # Linux, really.
     "src/chrome/tools/test/reference_build/chrome_linux":
-      "/trunk/deps/reference_builds/chrome_linux64@273882",
+      "/trunk/deps/reference_builds/chrome_linux64@291530",
 
     "src/third_party/xdg-utils":
       "/trunk/deps/third_party/xdg-utils@203785",