Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/ece477b..c15e746

Rolling v8/buildtools: https://chromium.googlesource.com/chromium/buildtools/+log/5ad1454..275b8c4

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/cc7953a..3ec5781

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/7185692..b18e402

TBR=machenbach@chromium.org,hablich@chromium.org

Change-Id: I7656cce0cbe7d187d8ee25951c25057b540b07ae
Reviewed-on: https://chromium-review.googlesource.com/597389Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47063}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "ece477b2f8f02e5c4297a1dd6b4367bdb3939dfa",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "c15e74686d6c0f15069159c1008514253dd38abd",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "d61a9397e668fa9843c4aa7da9e79460fe590bfb",
   "v8/third_party/icu":
@@ -16,7 +16,7 @@ deps = {
   "v8/third_party/instrumented_libraries":
     Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "644afd349826cb68204226a16c38bde13abe9c3c",
   "v8/buildtools":
-    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "5ad14542a6a74dd914f067b948c5d3e8d170396b",
+    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "275b8c481615a168464800fc925364aa1a432d37",
   "v8/base/trace_event/common":
     Var("chromium_url") + "/chromium/src/base/trace_event/common.git" + "@" + "65d1d42a5df6c0a563a6fdfa58a135679185e5d9",
   "v8/third_party/jinja2":
@@ -38,7 +38,7 @@ deps = {
   "v8/test/test262/harness":
     Var("chromium_url") + "/external/github.com/test262-utils/test262-harness-py.git" + "@" + "0f2acdd882c84cff43b9d60df7574a1901e2cdcd",
   "v8/tools/clang":
-    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "7185692a14ef62ca9686e9175549224663eaa29f",
+    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "b18e402ebfeb4d691baf1b1d490e25ca7777832e",
   "v8/test/wasm-js":
     Var("chromium_url") + "/external/github.com/WebAssembly/spec.git" + "@" + "17b4a4d98c80b1ec736649d5a73496a0e6d12d4c",
 }
@@ -48,7 +48,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "e9d4018e149d50172ed462a7c21137aa915940ec",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "cc7953a310bec01d56f52be2357db78af412d957",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "3ec578154f4f25deb8b42f58b27d380c3b5ee2e9",
   },
 }
 

infra/mb/mb_config.pyl

@@ -591,7 +591,8 @@
     },
 
     'gcc': {
-      'gn_args': 'is_clang=false',
+      # TODO(machenbach): Remove cxx11 restriction when updating gcc version.
+      'gn_args': 'is_clang=false use_cxx11=true',
       'gyp_defines': 'clang=0',
     },