Upgrade to V8 3.6

Merge V8 at 3.6.6.11

Simple merge required updates to makefiles only.

Bug: 5688872
Change-Id: Ib38b7ffbcd409585f6cb6fccc59c767029cecc77
diff --git a/src/string-stream.h b/src/string-stream.h
index b3f2e0d..0ba8f52 100644
--- a/src/string-stream.h
+++ b/src/string-stream.h
@@ -93,6 +93,7 @@
   FmtElm(void* value) : type_(POINTER) {  // NOLINT
     data_.u_pointer_ = value;
   }
+
  private:
   friend class StringStream;
   enum Type { INT, DOUBLE, C_STR, LC_STR, OBJ, HANDLE, POINTER };
@@ -142,7 +143,7 @@
   void OutputToStdOut() { OutputToFile(stdout); }
   void Log();
   Handle<String> ToString();
-  SmartPointer<const char> ToCString() const;
+  SmartArrayPointer<const char> ToCString() const;
   int length() const { return length_; }
 
   // Object printing support.