Remove unnecessary dependencies.

src/processor/minidump.cc

 // Copyright (c) 2010 Google Inc.
 // 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
@@ skipping 37 matching lines @@
 #define PRIx32 "lx"
 #define snprintf _snprintf
 #else  // _WIN32
 #include <unistd.h>
 #endif  // _WIN32
 
 #include <fstream>
 #include <iostream>
 #include <limits>
 #include <map>
-#include <sstream>
 #include <vector>
 
 #include "processor/range_map-inl.h"
 
 #include "common/scoped_ptr.h"
 #include "google_breakpad/processor/dump_context.h"
 #include "processor/basic_code_module.h"
 #include "processor/basic_code_modules.h"
 #include "processor/logging.h"
 
 namespace google_breakpad {
 
 
 using std::istream;
 using std::ifstream;
 using std::numeric_limits;
-using std::stringstream;
 using std::vector;
 
 // Returns true iff |context_size| matches exactly one of the sizes of the
 // various MDRawContext* types.
 // TODO(blundell): This function can be removed once
 // http://code.google.com/p/google-breakpad/issues/detail?id=550 is fixed.
 static bool IsContextSizeUnique(uint32_t context_size) {
   int num_matching_contexts = 0;
   if (context_size == sizeof(MDRawContextX86))
     num_matching_contexts++;
@@ skipping 4679 matching lines @@
     return NULL;
   }
 
   *stream = new_stream.release();
   info->stream = *stream;
   return *stream;
 }
 
 
 }  // namespace google_breakpad