Add << overload for CFX_WideString

BUG=pdfium:788

Change-Id: I9f211d42e60c0d8b7b3c508d340036a3b26542dd
Reviewed-on: https://pdfium-review.googlesource.com/7041
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/core/fxcrt/cfx_widestring.cpp b/core/fxcrt/cfx_widestring.cpp
index ef6aaad931..46192de4ab 100644
--- a/core/fxcrt/cfx_widestring.cpp
+++ b/core/fxcrt/cfx_widestring.cpp
@@ -1049,3 +1049,12 @@ int CFX_WideString::GetInteger() const {
 float CFX_WideString::GetFloat() const {
   return m_pData ? FX_wtof(m_pData->m_String, m_pData->m_nDataLength) : 0.0f;
 }
+
+std::wostream& operator<<(std::wostream& os, const CFX_WideString& str) {
+  return os.write(str.c_str(), str.GetLength());
+}
+
+std::ostream& operator<<(std::ostream& os, const CFX_WideString& str) {
+  os << str.UTF8Encode();
+  return os;
+}