Simplify, speed-up correct-context ObjectObserve calls

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 9059edaedb52b9c7a8144dfa8f7ce1123faf8885..0f053c8f9fcdb7b05e2f1e6d6bb7654a69258512 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -8794,10 +8794,10 @@ class Name: public HeapObject {
   STATIC_ASSERT((kArrayIndexLengthBits > 0));
 
   class ArrayIndexValueBits : public BitField<unsigned int, kNofHashBitFields,
-      kArrayIndexValueBits> {};
+      kArrayIndexValueBits> {}

[rafaelw, 2014/05/27 23:48:43]

These aren't a part of this change. git-cl was complaining about style, so I
went ahead and cleaned this up.

   class ArrayIndexLengthBits : public BitField<unsigned int,
       kNofHashBitFields + kArrayIndexValueBits,
-      kArrayIndexLengthBits> {};
+      kArrayIndexLengthBits> {}
 
   // Check that kMaxCachedArrayIndexLength + 1 is a power of two so we
   // could use a mask to test if the length of string is less than or equal to