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

src/dateparser.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 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // 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 "v8.h"
 
 #include "dateparser.h"
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 bool DateParser::DayComposer::Write(FixedArray* output) {
   int year = 0;  // Default year is 0 (=> 2000) for KJS compatibility.
   int month = kNone;
   int day = kNone;
 
   if (named_month_ == kNone) {
     if (index_ < 2) return false;
     if (index_ == 3 && !IsDay(comp_[0])) {
       // YMD
@@ skipping 133 matching lines @@
     if (j == kPrefixLength &&
         (len <= kPrefixLength || array[i][kTypeOffset] == MONTH_NAME)) {
       return i;
     }
   }
   return i;
 }
 
 
 } }  // namespace v8::internal