Reduce header dependencies in base/

base/debug_util_win.cc

 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/debug_util.h"
 
 #include <windows.h>
 #include <dbghelp.h>
 
+#include <iostream>
+
 #include "base/basictypes.h"
 #include "base/lock.h"
 #include "base/logging.h"
 #include "base/singleton.h"
 
 namespace {
 
 // Minimalist key reader.
 // Note: Does not use the CRT.
 bool RegReadString(HKEY root, const wchar_t* subkey,
@@ skipping 103 matching lines @@
       LOG(ERROR) << "Calling GetInitError() before Init() was called.  "
                  << "Returning ERROR_INVALID_DATA.";
       return ERROR_INVALID_DATA;
     }
 
     return init_error_;
   }
 
   // Returns the process this was initialized for.  This should only be
   // called if Init() has been called.  We LOG(ERROR) in this situation.
-  // LOG(FATAL) is not used because this code is might be triggered 
+  // LOG(FATAL) is not used because this code is might be triggered
   // by a LOG(FATAL) itself.
   HANDLE process() {
     if (!initialized_) {
       LOG(ERROR) << "Calling process() before Init() was called. "
                  << "Returning NULL.";
       return NULL;
     }
 
     return process_;
   }
 
   // For the given trace, attempts to resolve the symbols, and output a trace
   // to the ostream os.  The format for each line of the backtrace is:
   //
   //    <tab>SymbolName[0xAddress+Offset] (FileName:LineNo)
-  // 
+  //
   // This function should only be called if Init() has been called.  We do not
   // LOG(FATAL) here because this code is called might be triggered by a
   // LOG(FATAL) itself.
   void OutputTraceToStream(const std::vector<void*>& trace, std::ostream* os) {
     AutoLock lock(lock_);
 
     for (size_t i = 0; (i < trace.size()) && os->good(); ++i) {
       const int kMaxNameLength = 256;
       DWORD_PTR frame = reinterpret_cast<DWORD_PTR>(trace[i]);
 
@@ skipping 120 matching lines @@
     (*os) << "Error initializing symbols (" << error
           << ").  Dumping unresolved backtrace:\n";
     for (size_t i = 0; (i < trace_.size()) && os->good(); ++i) {
       (*os) << "\t" << trace_[i] << "\n";
     }
   } else {
     (*os) << "Backtrace:\n";
     context->OutputTraceToStream(trace_, os);
   }
 }