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

src/arm/frames-arm.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 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 "v8.h"
 
 #include "frames-inl.h"
 #include "arm/assembler-arm-inl.h"
 
 
-namespace v8 { namespace internal {
+namespace v8 {
+namespace internal {
 
 
 StackFrame::Type StackFrame::ComputeType(State* state) {
   ASSERT(state->fp != NULL);
   if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) {
     return ARGUMENTS_ADAPTOR;
   }
   // The marker and function offsets overlap. If the marker isn't a
   // smi then the frame is a JavaScript frame -- and the marker is
   // really the function.
@@ skipping 63 matching lines @@
 
 
 Address InternalFrame::GetCallerStackPointer() const {
   // Internal frames have no arguments. The stack pointer of the
   // caller is at a fixed offset from the frame pointer.
   return fp() + StandardFrameConstants::kCallerSPOffset;
 }
 
 
 } }  // namespace v8::internal