Update V8 DEPS.

Rolling v8/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu/+log/7ca3ffa..c52a2a2

This includes fixes from https://crrev.com/c/1240414.

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

Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I2afd319dbb244356a9bb057eb80c5fb0310b8686
Reviewed-on: https://chromium-review.googlesource.com/1240106Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sergiy Byelozyorov <sergiyb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56181}

DEPS

@@ -17,7 +17,7 @@ deps = {
   'v8/third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + 'baf09271514cf3d535865e16ece89654220149cb',
   'v8/third_party/icu':
-    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + '7ca3ffa77d635e44b9735e1b54fb9c4da3b6c821',
+    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'c52a2a250d6c5f5cbdd015dff36af7c5d0ae1150',
   'v8/third_party/instrumented_libraries':
     Var('chromium_url') + '/chromium/src/third_party/instrumented_libraries.git' + '@' + 'a90cbf3b4216430a437991fb53ede8e048dea454',
   'v8/buildtools':

test/intl/general/getCanonicalLocales.js

@@ -10,4 +10,6 @@ assertDoesNotThrow(() => Intl.getCanonicalLocales("en-a-ca-Chinese-u-ca-Chinese"
 
 // Check duplicate subtags (after the first tag) are detected.
 assertThrows(() => Intl.getCanonicalLocales("en-foobar-foobar"), RangeError);
-assertThrows(() => Intl.getCanonicalLocales("en-u-ca-gregory-ca-chinese"), RangeError);
+
+// Duplicate subtags are valid as per the ECMA262 spec.
+assertDoesNotThrow(() => Intl.getCanonicalLocales("en-u-ca-gregory-ca-chinese"));

test/test262/test262.status

@@ -586,7 +586,6 @@
   'intl402/Locale/constructor-parse-twice': [FAIL],
   'intl402/Locale/constructor-tag': [FAIL],
   'intl402/Locale/constructor-unicode-ext-invalid': [FAIL],
-  'intl402/Locale/constructor-unicode-ext-valid': [FAIL],
   'intl402/Locale/extensions-grandfathered': [FAIL],
   'intl402/Locale/extensions-private': [FAIL],
   'intl402/Locale/getters': [FAIL],