Revert r16648, r16641, r16638 and r16637.

src/utils/random-number-generator.h

Index: src/utils/random-number-generator.h
diff --git a/src/utils/random-number-generator.h b/src/utils/random-number-generator.h
index bd7dca7e6516b39206e4188aa4d9dcd677d3dcfd..fc14ef4ebeb85e6662da27058c5537a8f45ec4c8 100644
--- a/src/utils/random-number-generator.h
+++ b/src/utils/random-number-generator.h
@@ -59,7 +59,7 @@ class RandomNumberGenerator V8_FINAL {
   // that one int value is pseudorandomly generated and returned.
   // All 2^32 possible integer values are produced with (approximately) equal
   // probability.
-  V8_INLINE int NextInt() V8_WARN_UNUSED_RESULT {
+  V8_INLINE(int NextInt()) V8_WARN_UNUSED_RESULT {
     return Next(32);
   }
 
@@ -76,7 +76,7 @@ class RandomNumberGenerator V8_FINAL {
   // |NextBoolean()| is that one boolean value is pseudorandomly generated and
   // returned. The values true and false are produced with (approximately) equal
   // probability.
-  V8_INLINE bool NextBool() V8_WARN_UNUSED_RESULT {
+  V8_INLINE(bool NextBool()) V8_WARN_UNUSED_RESULT {
     return Next(1) != 0;
   }