Use more style-guide-friendly names for some constants.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index afb9624875cc2756c0edb7f25d1c84138870bac2..fd0f673e7ec1175ab82413e5ea3ea07ee3d3fa30 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1414,7 +1414,7 @@ Isolate::Isolate()
   TRACE_ISOLATE(constructor);
 
   memset(isolate_addresses_, 0,
-      sizeof(isolate_addresses_[0]) * (k_isolate_address_count + 1));
+      sizeof(isolate_addresses_[0]) * (kIsolateAddressCount + 1));
 
   heap_.isolate_ = this;
   zone_.isolate_ = this;
@@ -1686,9 +1686,10 @@ bool Isolate::Init(Deserializer* des) {
   // ensuring that Isolate::Current() == this.
   heap_.SetStackLimits();
 
-#define C(name) isolate_addresses_[Isolate::k_##name] =                        \
-    reinterpret_cast<Address>(name());
-  ISOLATE_ADDRESS_LIST(C)
+#define ASSIGN_ELEMENT(CamelName, hacker_name)                  \
+  isolate_addresses_[Isolate::k##CamelName##Address] =          \
+      reinterpret_cast<Address>(hacker_name##_address());
+  FOR_EACH_ISOLATE_ADDRESS_NAME(ASSIGN_ELEMENT)
 #undef C
 
   string_tracker_ = new StringTracker();