Turn v8.h into a normal header.

src/v8.h

Index: src/v8.h
diff --git a/src/v8.h b/src/v8.h
index 23e1a1230c893ce51d681590393b9a62dcef3c76..da5fe46154c5734836eb5f18b8bb7317a64c5aa3 100644
--- a/src/v8.h
+++ b/src/v8.h
@@ -2,13 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-//
-// Top include for all V8 .cc files.
-//
-
 #ifndef V8_V8_H_
 #define V8_V8_H_
 
+#include "include/v8.h"
+#include "src/allocation.h"
+
 #if defined(GOOGLE3) || defined(DCHECK_ALWAYS_ON)
 // Google3 and Chromium special flag handling.
 #if defined(DEBUG) && defined(NDEBUG)
@@ -25,13 +24,6 @@
 #error both DEBUG and NDEBUG are set
 #endif
 
-// Basic includes
-#include "include/v8.h"
-#include "src/allocation.h"
-
-// Objects
-#include "src/objects-inl.h"
-
 namespace v8 {
 namespace internal {