6 files changed, 4 insertions, 2 deletions
diff --git a/core/fpdfapi/page/cpdf_expintfunc.cpp b/core/fpdfapi/page/cpdf_expintfunc.cpp
index e04ce1282c..68eeea87fb 100644
--- a/core/fpdfapi/page/cpdf_expintfunc.cpp
+++ b/core/fpdfapi/page/cpdf_expintfunc.cpp
@@ -10,6 +10,7 @@
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_number.h"
 #include "core/fxcrt/fx_memory.h"
+#include "third_party/base/stl_util.h"
 
 CPDF_ExpIntFunc::CPDF_ExpIntFunc()
     : CPDF_Function(Type::kType2ExpotentialInterpolation) {}
diff --git a/core/fpdfapi/page/cpdf_function.cpp b/core/fpdfapi/page/cpdf_function.cpp
index fc8eb46d73..066af65440 100644
--- a/core/fpdfapi/page/cpdf_function.cpp
+++ b/core/fpdfapi/page/cpdf_function.cpp
@@ -16,6 +16,7 @@
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_stream.h"
 #include "third_party/base/ptr_util.h"
+#include "third_party/base/stl_util.h"
 
 // static
 std::unique_ptr<CPDF_Function> CPDF_Function::Load(
diff --git a/core/fpdfapi/page/cpdf_pageobjectholder.cpp b/core/fpdfapi/page/cpdf_pageobjectholder.cpp
index c6f310f77b..c51ab172f7 100644
--- a/core/fpdfapi/page/cpdf_pageobjectholder.cpp
+++ b/core/fpdfapi/page/cpdf_pageobjectholder.cpp
@@ -16,6 +16,7 @@
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_document.h"
 #include "core/fxcrt/fx_extension.h"
+#include "third_party/base/stl_util.h"
 
 bool GraphicsData::operator<(const GraphicsData& other) const {
   if (!FXSYS_SafeEQ(fillAlpha, other.fillAlpha))
diff --git a/core/fpdfapi/page/cpdf_sampledfunc.cpp b/core/fpdfapi/page/cpdf_sampledfunc.cpp
index d898daadc5..7c1fea150f 100644
--- a/core/fpdfapi/page/cpdf_sampledfunc.cpp
+++ b/core/fpdfapi/page/cpdf_sampledfunc.cpp
@@ -11,6 +11,7 @@
 #include "core/fxcrt/cfx_bitstream.h"
 #include "core/fxcrt/cfx_fixedbufgrow.h"
 #include "core/fxcrt/fx_safe_types.h"
+#include "third_party/base/stl_util.h"
 
 namespace {
 
diff --git a/core/fpdfapi/page/cpdf_streamparser_unittest.cpp b/core/fpdfapi/page/cpdf_streamparser_unittest.cpp
index d83fedcb7d..64bb57c78f 100644
--- a/core/fpdfapi/page/cpdf_streamparser_unittest.cpp
+++ b/core/fpdfapi/page/cpdf_streamparser_unittest.cpp
@@ -4,7 +4,6 @@
 
 #include "core/fpdfapi/page/cpdf_streamparser.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/base/span.h"
 
 TEST(cpdf_streamparser, ReadHexString) {
   {
diff --git a/core/fpdfapi/page/cpdf_textobject.cpp b/core/fpdfapi/page/cpdf_textobject.cpp
index 2b866baa25..13e727963e 100644
--- a/core/fpdfapi/page/cpdf_textobject.cpp
+++ b/core/fpdfapi/page/cpdf_textobject.cpp
@@ -12,7 +12,6 @@
 #include "core/fpdfapi/font/cpdf_cidfont.h"
 #include "core/fpdfapi/font/cpdf_font.h"
 #include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
 
 CPDF_TextObjectItem::CPDF_TextObjectItem() : m_CharCode(0) {}