XFA: Fix checkdeps violations.

TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1647613003 .
diff --git a/samples/DEPS b/samples/DEPS
index 18ab975..e77312f 100644
--- a/samples/DEPS
+++ b/samples/DEPS
@@ -1,6 +1,6 @@
 include_rules = [
   '+public',
-  '+third_party/libpng',
+  '+third_party/libpng16',
   '+third_party/zlib_v128',
   '+v8',
 ]
diff --git a/xfa/src/fgas/src/font/fx_stdfontmgr.cpp b/xfa/src/fgas/src/font/fx_stdfontmgr.cpp
index e8b8f49..755d7e0 100644
--- a/xfa/src/fgas/src/font/fx_stdfontmgr.cpp
+++ b/xfa/src/fgas/src/font/fx_stdfontmgr.cpp
@@ -4,10 +4,11 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "core/src/fxcrt/extension.h"
+#include "core/include/fxcrt/fx_stream.h"
 #include "xfa/src/fgas/src/fgas_base.h"
-#include "fx_stdfontmgr.h"
-#include "fx_fontutils.h"
+#include "xfa/src/fgas/src/font/fx_fontutils.h"
+#include "xfa/src/fgas/src/font/fx_stdfontmgr.h"
+
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 IFX_FontMgr* IFX_FontMgr::Create(FX_LPEnumAllFonts pEnumerator,
                                  FX_LPMatchFont pMatcher,
@@ -1055,6 +1056,7 @@
   FXFT_Set_Pixel_Sizes(pFace, 0, 64);
   return pFace;
 }
+
 IFX_FileRead* CFX_FontMgrImp::CreateFontStream(
     CFX_FontMapper* pFontMapper,
     IFX_SystemFontInfo* pSystemFontInfo,
@@ -1069,8 +1071,9 @@
     return nullptr;
   uint8_t* pBuffer = FX_Alloc(uint8_t, dwFileSize + 1);
   dwFileSize = pSystemFontInfo->GetFontData(hFont, 0, pBuffer, dwFileSize);
-  return new CFX_MemoryStream(pBuffer, dwFileSize, TRUE);
+  return FX_CreateMemoryStream(pBuffer, dwFileSize, TRUE);
 }
+
 IFX_FileRead* CFX_FontMgrImp::CreateFontStream(
     const CFX_ByteString& bsFaceName) {
   CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();