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

src/regexp-macro-assembler.cc

 // Copyright 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 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <string.h>
 #include "v8.h"
 #include "ast.h"
 #include "assembler.h"
 #include "regexp-macro-assembler.h"
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 RegExpMacroAssembler::RegExpMacroAssembler() {
 }
 
 
 RegExpMacroAssembler::~RegExpMacroAssembler() {
 }
 
 
 ByteArrayProvider::ByteArrayProvider(unsigned int initial_size)
@@ skipping 24 matching lines @@
 }
 
 
 template <typename T>
 ArraySlice ByteArrayProvider::GetBuffer(Vector<T> values) {
   ArraySlice slice = GetBuffer(values.length(), sizeof(T));
   memcpy(slice.location(), values.start(), values.length() * sizeof(T));
   return slice;
 }
 } }  // namespace v8::internal