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

src/ia32/codegen-ia32.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 18 matching lines @@
 
 #include "bootstrapper.h"
 #include "codegen-inl.h"
 #include "debug.h"
 #include "ic-inl.h"
 #include "parser.h"
 #include "register-allocator-inl.h"
 #include "runtime.h"
 #include "scopes.h"
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 #define __ ACCESS_MASM(masm_)
 
 // -------------------------------------------------------------------------
 // CodeGenState implementation.
 
 CodeGenState::CodeGenState(CodeGenerator* owner)
     : owner_(owner),
       typeof_state_(NOT_INSIDE_TYPEOF),
       destination_(NULL),
@@ skipping 7218 matching lines @@
 
   // Slow-case: Go through the JavaScript implementation.
   __ bind(&slow);
   __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal