Split nested namespaces declaration in two lines in accordance with C++ Style Guide.

src/objects.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 23 matching lines @@
 #include "objects-inl.h"
 #include "macro-assembler.h"
 #include "scanner.h"
 #include "scopeinfo.h"
 #include "string-stream.h"
 
 #ifdef ENABLE_DISASSEMBLER
 #include "disassembler.h"
 #endif
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 // Getters and setters are stored in a fixed array property.  These are
 // constants for their indices.
 const int kGetterIndex = 0;
 const int kSetterIndex = 1;
 
 bool Object::IsInstanceOf(FunctionTemplateInfo* expected) {
   // There is a constraint on the object; check
   if (!this->IsJSObject()) return false;
   // Fetch the constructor function of the object
@@ skipping 7406 matching lines @@
   // No break point.
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 } }  // namespace v8::internal