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

src/bootstrapper.cc

 // Copyright 2006-2008 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 19 matching lines @@
 #include "accessors.h"
 #include "api.h"
 #include "bootstrapper.h"
 #include "compiler.h"
 #include "debug.h"
 #include "execution.h"
 #include "global-handles.h"
 #include "macro-assembler.h"
 #include "natives.h"
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 // A SourceCodeCache uses a FixedArray to store pairs of
 // (AsciiString*, JSFunction*), mapping names of native code files
 // (runtime.js, etc.) to precompiled functions. Instead of mapping
 // names to functions it might make sense to let the JS2C tool
 // generate an index for each native JS file.
 class SourceCodeCache BASE_EMBEDDED {
  public:
   explicit SourceCodeCache(ScriptType type): type_(type) { }
 
@@ skipping 1537 matching lines @@
 }
 
 
 // Restore statics that are thread local.
 char* Genesis::RestoreState(char* from) {
   current_ = *reinterpret_cast<Genesis**>(from);
   return from + sizeof(current_);
 }
 
 } }  // namespace v8::internal