Fix constness of StackTrace.

StackTrace's member functions should be const.

BUG=none
TEST=none


Review URL: http://codereview.chromium.org/6831014

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@81601 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 10 insertions, 10 deletions

diff --git a/base/debug/stack_trace.cc b/base/debug/stack_trace.cc
index 5be4c5c..7c44f7a 100644
--- a/base/debug/stack_trace.cc
+++ b/base/debug/stack_trace.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -10,7 +10,7 @@ namespace debug {
 StackTrace::~StackTrace() {
 }
 
-const void *const *StackTrace::Addresses(size_t* count) {
+const void *const *StackTrace::Addresses(size_t* count) const {
   *count = count_;
   if (count_)
     return trace_;
diff --git a/base/debug/stack_trace.h b/base/debug/stack_trace.h
index d8d792d..acc7223 100644
--- a/base/debug/stack_trace.h
+++ b/base/debug/stack_trace.h
@@ -39,13 +39,13 @@ class BASE_API StackTrace {
 
   // Gets an array of instruction pointer values. |*count| will be set to the
   // number of elements in the returned array.
-  const void* const* Addresses(size_t* count);
+  const void* const* Addresses(size_t* count) const;
 
   // Prints a backtrace to stderr
-  void PrintBacktrace();
+  void PrintBacktrace() const;
 
   // Resolves backtrace to symbols and write to stream.
-  void OutputToStream(std::ostream* os);
+  void OutputToStream(std::ostream* os) const;
 
  private:
   // From http://msdn.microsoft.com/en-us/library/bb204633.aspx,
diff --git a/base/debug/stack_trace_posix.cc b/base/debug/stack_trace_posix.cc
index f1f5408..50ff113 100644
--- a/base/debug/stack_trace_posix.cc
+++ b/base/debug/stack_trace_posix.cc
@@ -105,7 +105,7 @@ void DemangleSymbols(std::string* text) {
 // names and attach these. Otherwise just use raw addresses. Returns true
 // if any symbol name is resolved.  Returns false on error and *may* fill
 // in |error_message| if an error message is available.
-bool GetBacktraceStrings(void **trace, int size,
+bool GetBacktraceStrings(void *const *trace, int size,
                          std::vector<std::string>* trace_strings,
                          std::string* error_message) {
   bool symbolized = false;
@@ -161,7 +161,7 @@ StackTrace::StackTrace() {
   count_ = std::max(backtrace(trace_, arraysize(trace_)), 0);
 }
 
-void StackTrace::PrintBacktrace() {
+void StackTrace::PrintBacktrace() const {
 #if defined(OS_MACOSX) && MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
   if (backtrace_symbols_fd == NULL)
     return;
@@ -174,7 +174,7 @@ void StackTrace::PrintBacktrace() {
   }
 }
 
-void StackTrace::OutputToStream(std::ostream* os) {
+void StackTrace::OutputToStream(std::ostream* os) const {
 #if defined(OS_MACOSX) && MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
   if (backtrace_symbols == NULL)
     return;
diff --git a/base/debug/stack_trace_win.cc b/base/debug/stack_trace_win.cc
index f00017f..97376a2 100644
--- a/base/debug/stack_trace_win.cc
+++ b/base/debug/stack_trace_win.cc
@@ -174,11 +174,11 @@ StackTrace::StackTrace(EXCEPTION_POINTERS* exception_pointers) {
   }
 }
 
-void StackTrace::PrintBacktrace() {
+void StackTrace::PrintBacktrace() const {
   OutputToStream(&std::cerr);
 }
 
-void StackTrace::OutputToStream(std::ostream* os) {
+void StackTrace::OutputToStream(std::ostream* os) const {
   SymbolContext* context = SymbolContext::GetInstance();
   DWORD error = context->init_error();
   if (error != ERROR_SUCCESS) {