Move CFX_AutoRestorer to fxcrt::AutoRestorer

This CL renames CFX_AutoRestorer to just AutoRestorer and places in the
fxcrt namespace.

Bug: pdfium:898
Change-Id: Id9f36df94e95f3b2a55054bc198ca1bfd249ee3d
Reviewed-on: https://pdfium-review.googlesource.com/14450
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

3 files changed, 19 insertions, 13 deletions

diff --git a/core/fpdfapi/parser/cpdf_syntax_parser.cpp b/core/fpdfapi/parser/cpdf_syntax_parser.cpp
index 4412105c7b..4556dc9627 100644
--- a/core/fpdfapi/parser/cpdf_syntax_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_syntax_parser.cpp
@@ -25,7 +25,7 @@
 #include "core/fpdfapi/parser/cpdf_string.h"
 #include "core/fpdfapi/parser/fpdf_parser_decode.h"
 #include "core/fpdfapi/parser/fpdf_parser_utility.h"
-#include "core/fxcrt/cfx_autorestorer.h"
+#include "core/fxcrt/autorestorer.h"
 #include "core/fxcrt/cfx_binarybuf.h"
 #include "core/fxcrt/fx_extension.h"
 #include "third_party/base/numerics/safe_math.h"
@@ -55,7 +55,7 @@ CPDF_SyntaxParser::~CPDF_SyntaxParser() {
 }
 
 bool CPDF_SyntaxParser::GetCharAt(FX_FILESIZE pos, uint8_t& ch) {
-  CFX_AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
+  AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
   m_Pos = pos;
   return GetNextChar(ch);
 }
@@ -352,7 +352,7 @@ ByteString CPDF_SyntaxParser::GetNextWord(bool* bIsNumber) {
 }
 
 ByteString CPDF_SyntaxParser::PeekNextWord(bool* bIsNumber) {
-  const CFX_AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
+  AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
   return GetNextWord(bIsNumber);
 }
 
@@ -379,7 +379,7 @@ std::unique_ptr<CPDF_Object> CPDF_SyntaxParser::GetObjectInternal(
     uint32_t gennum,
     bool bDecrypt,
     ParseType parse_type) {
-  CFX_AutoRestorer<int> restorer(&s_CurrentRecursionDepth);
+  AutoRestorer<int> restorer(&s_CurrentRecursionDepth);
   if (++s_CurrentRecursionDepth > kParserMaxRecursionDepth)
     return nullptr;
 
@@ -485,7 +485,7 @@ std::unique_ptr<CPDF_Object> CPDF_SyntaxParser::GetObjectInternal(
     // contents to the un-decrypted form.
     if (m_pCryptoHandler && bDecrypt && pDict->IsSignatureDict() &&
         dwSignValuePos) {
-      CFX_AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
+      AutoRestorer<FX_FILESIZE> save_pos(&m_Pos);
       m_Pos = dwSignValuePos;
       pDict->SetFor("Contents", GetObject(pObjList, objnum, gennum, false));
     }
diff --git a/core/fpdfapi/render/cpdf_renderstatus.cpp b/core/fpdfapi/render/cpdf_renderstatus.cpp
index 6d7e7f1372..26eed112c5 100644
--- a/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -45,7 +45,7 @@
 #include "core/fpdfapi/render/cpdf_transferfunc.h"
 #include "core/fpdfapi/render/cpdf_type3cache.h"
 #include "core/fpdfdoc/cpdf_occontext.h"
-#include "core/fxcrt/cfx_autorestorer.h"
+#include "core/fxcrt/autorestorer.h"
 #include "core/fxcrt/cfx_fixedbufgrow.h"
 #include "core/fxcrt/cfx_maybe_owned.h"
 #include "core/fxcrt/fx_safe_types.h"
@@ -1079,7 +1079,7 @@ void CPDF_RenderStatus::RenderSingleObject(CPDF_PageObject* pObj,
 #if defined _SKIA_SUPPORT_
   DebugVerifyDeviceIsPreMultiplied();
 #endif
-  CFX_AutoRestorer<int> restorer(&s_CurrentRecursionDepth);
+  AutoRestorer<int> restorer(&s_CurrentRecursionDepth);
   if (++s_CurrentRecursionDepth > kRenderMaxRecursionDepth) {
     return;
   }
diff --git a/core/fxcrt/cfx_autorestorer.h b/core/fxcrt/autorestorer.h
index a8c5125c4e..745a56fff2 100644
--- a/core/fxcrt/cfx_autorestorer.h
+++ b/core/fxcrt/autorestorer.h
@@ -2,19 +2,25 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CORE_FXCRT_CFX_AUTORESTORER_H_
-#define CORE_FXCRT_CFX_AUTORESTORER_H_
+#ifndef CORE_FXCRT_AUTORESTORER_H_
+#define CORE_FXCRT_AUTORESTORER_H_
+
+namespace fxcrt {
 
 template <typename T>
-class CFX_AutoRestorer {
+class AutoRestorer {
  public:
-  explicit CFX_AutoRestorer(T* location)
+  explicit AutoRestorer(T* location)
       : m_Location(location), m_OldValue(*location) {}
-  ~CFX_AutoRestorer() { *m_Location = m_OldValue; }
+  ~AutoRestorer() { *m_Location = m_OldValue; }
 
  private:
   T* const m_Location;
   const T m_OldValue;
 };
 
-#endif  // CORE_FXCRT_CFX_AUTORESTORER_H_
+}  // namespace fxcrt
+
+using fxcrt::AutoRestorer;
+
+#endif  // CORE_FXCRT_AUTORESTORER_H_