Remove unneeded stl_util.h includes.

Most of these files don't even contain "pdfium::".

Change-Id: Ida931ab4330c850c1cea10bb67a8d354295fea7f
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/82174
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/core/fxcrt/fx_bidi.cpp b/core/fxcrt/fx_bidi.cpp
index e7d2116..48b6afa 100644
--- a/core/fxcrt/fx_bidi.cpp
+++ b/core/fxcrt/fx_bidi.cpp
@@ -10,7 +10,6 @@
 
 #include "core/fxcrt/fx_unicode.h"
 #include "third_party/base/check.h"
-#include "third_party/base/stl_util.h"
 
 CFX_BidiChar::CFX_BidiChar()
     : m_CurrentSegment({0, 0, NEUTRAL}), m_LastSegment({0, 0, NEUTRAL}) {}
diff --git a/core/fxge/cfx_folderfontinfo_unittest.cpp b/core/fxge/cfx_folderfontinfo_unittest.cpp
index e97edb1..2d38bc4 100644
--- a/core/fxge/cfx_folderfontinfo_unittest.cpp
+++ b/core/fxge/cfx_folderfontinfo_unittest.cpp
@@ -9,7 +9,6 @@
 #include "core/fxcrt/fx_codepage.h"
 #include "core/fxge/fx_font.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/base/stl_util.h"
 
 namespace {
 
diff --git a/core/fxge/dib/cfx_imagestretcher.cpp b/core/fxge/dib/cfx_imagestretcher.cpp
index 3f38cc3..05b4ece 100644
--- a/core/fxge/dib/cfx_imagestretcher.cpp
+++ b/core/fxge/dib/cfx_imagestretcher.cpp
@@ -13,7 +13,6 @@
 #include "core/fxge/dib/cstretchengine.h"
 #include "core/fxge/dib/fx_dib.h"
 #include "third_party/base/check.h"
-#include "third_party/base/stl_util.h"
 
 namespace {
 
diff --git a/fxjs/gc/gced_tree_node_mixin_unittest.cpp b/fxjs/gc/gced_tree_node_mixin_unittest.cpp
index 9576154..eba8c15 100644
--- a/fxjs/gc/gced_tree_node_mixin_unittest.cpp
+++ b/fxjs/gc/gced_tree_node_mixin_unittest.cpp
@@ -11,7 +11,6 @@
 #include "testing/fxgc_unittest.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/v8_test_environment.h"
-#include "third_party/base/stl_util.h"
 #include "v8/include/cppgc/allocation.h"
 #include "v8/include/cppgc/persistent.h"
 
diff --git a/fxjs/gc/gced_tree_node_unittest.cpp b/fxjs/gc/gced_tree_node_unittest.cpp
index f09a995..dc7a28c 100644
--- a/fxjs/gc/gced_tree_node_unittest.cpp
+++ b/fxjs/gc/gced_tree_node_unittest.cpp
@@ -11,7 +11,6 @@
 #include "testing/fxgc_unittest.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/v8_test_environment.h"
-#include "third_party/base/stl_util.h"
 #include "v8/include/cppgc/allocation.h"
 #include "v8/include/cppgc/persistent.h"
 
diff --git a/xfa/fwl/cfwl_notedriver.cpp b/xfa/fwl/cfwl_notedriver.cpp
index 8b42e1a..af83ff2 100644
--- a/xfa/fwl/cfwl_notedriver.cpp
+++ b/xfa/fwl/cfwl_notedriver.cpp
@@ -11,7 +11,6 @@
 
 #include "build/build_config.h"
 #include "core/fxcrt/fx_extension.h"
-#include "third_party/base/stl_util.h"
 #include "xfa/fwl/cfwl_app.h"
 #include "xfa/fwl/cfwl_event.h"
 #include "xfa/fwl/cfwl_messagekey.h"
diff --git a/xfa/fxfa/cxfa_fwltheme.cpp b/xfa/fxfa/cxfa_fwltheme.cpp
index 0c222ed..f1331a8 100644
--- a/xfa/fxfa/cxfa_fwltheme.cpp
+++ b/xfa/fxfa/cxfa_fwltheme.cpp
@@ -7,7 +7,6 @@
 #include "xfa/fxfa/cxfa_fwltheme.h"
 
 #include "core/fxcrt/fx_codepage.h"
-#include "third_party/base/stl_util.h"
 #include "xfa/fde/cfde_textout.h"
 #include "xfa/fgas/font/cfgas_fontmgr.h"
 #include "xfa/fgas/font/cfgas_gefont.h"