Replace our homegrown ARRAY_SIZE() with Chrome's arraysize().

src/jsregexp.cc

Index: src/jsregexp.cc
diff --git a/src/jsregexp.cc b/src/jsregexp.cc
index 27b8699cf21193adfdb461c241cf39212aafdc69..3853197e138133a75b11cf658f7f40aef92dc94b 100644
--- a/src/jsregexp.cc
+++ b/src/jsregexp.cc
@@ -53,7 +53,7 @@ MaybeHandle<Object> RegExpImpl::CreateRegExpLiteral(
     Handle<String> flags) {
   // Call the construct code with 2 arguments.
   Handle<Object> argv[] = { pattern, flags };
-  return Execution::New(constructor, ARRAY_SIZE(argv), argv);
+  return Execution::New(constructor, arraysize(argv), argv);
 }
 
 
@@ -3588,18 +3588,18 @@ static const int kSpaceRanges[] = { '\t', '\r' + 1, ' ', ' ' + 1,
     0x00A0, 0x00A1, 0x1680, 0x1681, 0x180E, 0x180F, 0x2000, 0x200B,
     0x2028, 0x202A, 0x202F, 0x2030, 0x205F, 0x2060, 0x3000, 0x3001,
     0xFEFF, 0xFF00, 0x10000 };
-static const int kSpaceRangeCount = ARRAY_SIZE(kSpaceRanges);
+static const int kSpaceRangeCount = arraysize(kSpaceRanges);
 
 static const int kWordRanges[] = {
     '0', '9' + 1, 'A', 'Z' + 1, '_', '_' + 1, 'a', 'z' + 1, 0x10000 };
-static const int kWordRangeCount = ARRAY_SIZE(kWordRanges);
+static const int kWordRangeCount = arraysize(kWordRanges);
 static const int kDigitRanges[] = { '0', '9' + 1, 0x10000 };
-static const int kDigitRangeCount = ARRAY_SIZE(kDigitRanges);
+static const int kDigitRangeCount = arraysize(kDigitRanges);
 static const int kSurrogateRanges[] = { 0xd800, 0xe000, 0x10000 };
-static const int kSurrogateRangeCount = ARRAY_SIZE(kSurrogateRanges);
+static const int kSurrogateRangeCount = arraysize(kSurrogateRanges);
 static const int kLineTerminatorRanges[] = { 0x000A, 0x000B, 0x000D, 0x000E,
     0x2028, 0x202A, 0x10000 };
-static const int kLineTerminatorRangeCount = ARRAY_SIZE(kLineTerminatorRanges);
+static const int kLineTerminatorRangeCount = arraysize(kLineTerminatorRanges);
 
 
 void BoyerMoorePositionInfo::Set(int character) {