Revert of Update V8 DEPS.

DEPS

 # Note: The buildbots evaluate this file with CWD set to the parent
 # directory and assume that the root of the checkout is in ./v8/, so
 # all paths in here must match this assumption.
 
 vars = {
   "git_url": "https://chromium.googlesource.com",
 }
 
 deps = {
   "v8/build":
-    Var("git_url") + "/chromium/src/build.git" + "@" + "4803815de7294778a1496c4e7f3e84ee48e243ef",
+    Var("git_url") + "/chromium/src/build.git" + "@" + "dfb08d9b315caad762d458ff3ed828e792913df3",
   "v8/tools/gyp":
     Var("git_url") + "/external/gyp.git" + "@" + "702ac58e477214c635d9b541932e75a95d349352",
   "v8/third_party/icu":
     Var("git_url") + "/chromium/deps/icu.git" + "@" + "b0bd3ee50bc2e768d7a17cbc60d87f517f024dbe",
   "v8/third_party/instrumented_libraries":
     Var("git_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "45f5814b1543e41ea0be54c771e3840ea52cca4a",
   "v8/buildtools":
-    Var("git_url") + "/chromium/buildtools.git" + "@" + "57649e5e2001ba1f5e5d45f5a838c616ea0e9cb9",
+    Var("git_url") + "/chromium/buildtools.git" + "@" + "6115afa0ea5ea33e1f284d9ef2175a03db1370ca",
   "v8/base/trace_event/common":
-    Var("git_url") + "/chromium/src/base/trace_event/common.git" + "@" + "199985e01e17b5a4888f83648b7cc119779e9245",
+    Var("git_url") + "/chromium/src/base/trace_event/common.git" + "@" + "26eac53e73b09625e9b8f783b479e54fcae85f58",
   "v8/third_party/WebKit/Source/platform/inspector_protocol":
     Var("git_url") + "/chromium/src/third_party/WebKit/Source/platform/inspector_protocol.git" + "@" + "e240fdcdb5880deb48156dbb9ccee0c28664cf88",
   "v8/third_party/jinja2":
     Var("git_url") + "/chromium/src/third_party/jinja2.git" + "@" + "b61a2c009a579593a259c1b300e0ad02bf48fd78",
   "v8/third_party/markupsafe":
     Var("git_url") + "/chromium/src/third_party/markupsafe.git" + "@" + "484a5661041cac13bfc688a26ec5434b05d18961",
   "v8/tools/swarming_client":
     Var('git_url') + '/external/swarming.client.git' + '@' + "380e32662312eb107f06fcba6409b0409f8fef72",
   "v8/testing/gtest":
     Var("git_url") + "/external/github.com/google/googletest.git" + "@" + "6f8a66431cb592dad629028a50b3dd418a408c87",
   "v8/testing/gmock":
     Var("git_url") + "/external/googlemock.git" + "@" + "0421b6f358139f02e102c9c332ce19a33faf75be",
   "v8/test/benchmarks/data":
     Var("git_url") + "/v8/deps/third_party/benchmarks.git" + "@" + "05d7188267b4560491ff9155c5ee13e207ecd65f",
   "v8/test/mozilla/data":
     Var("git_url") + "/v8/deps/third_party/mozilla-tests.git" + "@" + "f6c578a10ea707b1a8ab0b88943fe5115ce2b9be",
   "v8/test/simdjs/data": Var("git_url") + "/external/github.com/tc39/ecmascript_simd.git" + "@" + "baf493985cb9ea7cdbd0d68704860a8156de9556",
   "v8/test/test262/data":
     Var("git_url") + "/external/github.com/tc39/test262.git" + "@" + "29c23844494a7cc2fbebc6948d2cb0bcaddb24e7",
   "v8/test/test262/harness":
     Var("git_url") + "/external/github.com/test262-utils/test262-harness-py.git" + "@" + "cbd968f54f7a95c6556d53ba852292a4c49d11d8",
   "v8/tools/clang":
-    Var("git_url") + "/chromium/src/tools/clang.git" + "@" + "cca919b21f2436ba1585f7e9de2702ba64fbd8bf",
+    Var("git_url") + "/chromium/src/tools/clang.git" + "@" + "6b75002bcce135ecacc1ff5a7fdb2f0647212198",
 }
 
 deps_os = {
   "android": {
     "v8/third_party/android_tools":
       Var("git_url") + "/android_tools.git" + "@" + "25d57ead05d3dfef26e9c19b13ed10b0a69829cf",
   },
   "win": {
     "v8/third_party/cygwin":
       Var("git_url") + "/chromium/deps/cygwin.git" + "@" + "c89e446b273697fadf3a10ff1007a97c0b7de6df",
@@ skipping 220 matching lines @@
     'name': 'clang',
     'pattern': '.',
     'action': ['python', 'v8/tools/clang/scripts/update.py', '--if-needed'],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "v8/gypfiles/gyp_v8", "--running-as-hook"],
   },
 ]