use full git hashes in DEPS
diff --git a/DEPS b/DEPS
index 5a8d843..745114f 100644
--- a/DEPS
+++ b/DEPS
@@ -13,15 +13,15 @@
   'gn/buildtools':
     Var('chromium_git') + '/chromium/buildtools.git' '@' + Var('buildtools_revision'),
   'gn/base':
-    Var('chromium_git') + '/chromium/src/base.git@6ec23b2',
+    Var('chromium_git') + '/chromium/src/base.git@6ec23b2f3a69dfb8c7bb933f4e012e7c22e01444',
   'gn/build/config':
-    Var('chromium_git') + '/chromium/src/build/config.git@7bbfc34',
+    Var('chromium_git') + '/chromium/src/build/config.git@7bbfc34a6e6e4b7c419c4ce3a1ff864b66623736',
   'gn/build/toolchain':
-    Var('chromium_git') + '/chromium/src/build/toolchain.git@00dac9c',
+    Var('chromium_git') + '/chromium/src/build/toolchain.git@00dac9ced416992b61f40610210ac50c9fccc770',
   'gn/tools/gn':
-    Var('chromium_git') + '/chromium/src/tools/gn.git@2db498a',
+    Var('chromium_git') + '/chromium/src/tools/gn.git@2db498a5dd668a557562881189779d4b4ed05117',
   'gn/testing/gtest':
-    Var('chromium_git') + '/external/googletest.git@be1868139',
+    Var('chromium_git') + '/external/googletest.git@be1868139ffe0ccd0e8e3b37292b84c821d9c8ad',
   'gn/testing/gmock':
    Var('chromium_git') + '/external/googlemock.git' + '@' + '29763965ab52f24565299976b936d1265cb6a271', # from svn revision 501
   'gn/third_party/icu':
diff --git a/build/util/LASTCHANGE b/build/util/LASTCHANGE
index 093d1ab..7ac463b 100644
--- a/build/util/LASTCHANGE
+++ b/build/util/LASTCHANGE
@@ -1 +1 @@
-LASTCHANGE=e8687e124decb4bf2a41a381c0944980d1dc8cfb
+LASTCHANGE=f56e53607baeafae0a138b74112743c4fb2f07cf