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

src/platform-win32.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 198 matching lines @@
 
 #endif  // __MINGW32__
 
 // Generate a pseudo-random number in the range 0-2^31-1. Usually
 // defined in stdlib.h. Missing in both Microsoft Visual Studio C++ and MinGW.
 int random() {
   return rand();
 }
 
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 double ceiling(double x) {
   return ceil(x);
 }
 
 // ----------------------------------------------------------------------------
 // The Time class represents time on win32. A timestamp is represented as
 // a 64-bit integer in 100 nano-seconds since January 1, 1601 (UTC). JavaScript
 // timestamps are represented as a doubles in milliseconds since 00:00:00 UTC,
 // January 1, 1970.
@@ skipping 1639 matching lines @@
 
   // Release the thread handles
   CloseHandle(data_->sampler_thread_);
   CloseHandle(data_->profiled_thread_);
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal