Fix misc lint errors and other cleanups.

Change-Id: I00ce0109251d1231858e87ffc3889abe6937fa26
Reviewed-on: https://pdfium-review.googlesource.com/42811
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
diff --git a/core/fpdfapi/page/cpdf_streamparser.cpp b/core/fpdfapi/page/cpdf_streamparser.cpp
index a64e14d..a083c93 100644
--- a/core/fpdfapi/page/cpdf_streamparser.cpp
+++ b/core/fpdfapi/page/cpdf_streamparser.cpp
@@ -56,7 +56,6 @@
   for (int row = 0; row < height; ++row) {
     if (!pDecoder->GetScanline(row))
       break;
-
   }
   return pDecoder->GetSrcOffset();
 }
diff --git a/core/fpdfapi/parser/cpdf_cross_ref_avail.cpp b/core/fpdfapi/parser/cpdf_cross_ref_avail.cpp
index 2ab530e..e5cdb70 100644
--- a/core/fpdfapi/parser/cpdf_cross_ref_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_cross_ref_avail.cpp
@@ -5,6 +5,7 @@
 #include "core/fpdfapi/parser/cpdf_cross_ref_avail.h"
 
 #include <algorithm>
+#include <memory>
 #include <vector>
 
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
diff --git a/core/fpdfapi/parser/cpdf_object_avail_unittest.cpp b/core/fpdfapi/parser/cpdf_object_avail_unittest.cpp
index 7dc1dcc..fb29d6f 100644
--- a/core/fpdfapi/parser/cpdf_object_avail_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_object_avail_unittest.cpp
@@ -5,6 +5,7 @@
 #include "core/fpdfapi/parser/cpdf_object_avail.h"
 
 #include <map>
+#include <memory>
 #include <utility>
 
 #include "core/fpdfapi/parser/cpdf_array.h"
diff --git a/core/fxcodec/bmp/cfx_bmpdecompressor.h b/core/fxcodec/bmp/cfx_bmpdecompressor.h
index fbe7e1f..beaf9bf 100644
--- a/core/fxcodec/bmp/cfx_bmpdecompressor.h
+++ b/core/fxcodec/bmp/cfx_bmpdecompressor.h
@@ -7,12 +7,11 @@
 #ifndef CORE_FXCODEC_BMP_CFX_BMPDECOMPRESSOR_H_
 #define CORE_FXCODEC_BMP_CFX_BMPDECOMPRESSOR_H_
 
-#include "core/fxcodec/bmp/fx_bmp.h"
-
 #include <setjmp.h>
 
 #include <vector>
 
+#include "core/fxcodec/bmp/fx_bmp.h"
 #include "core/fxcodec/codec/cfx_codec_memory.h"
 #include "third_party/base/span.h"
 
diff --git a/core/fxcrt/css/cfx_cssdeclaration.cpp b/core/fxcrt/css/cfx_cssdeclaration.cpp
index ba92be3..db2ec35 100644
--- a/core/fxcrt/css/cfx_cssdeclaration.cpp
+++ b/core/fxcrt/css/cfx_cssdeclaration.cpp
@@ -6,6 +6,8 @@
 
 #include "core/fxcrt/css/cfx_cssdeclaration.h"
 
+#include <utility>
+
 #include "core/fxcrt/css/cfx_csscolorvalue.h"
 #include "core/fxcrt/css/cfx_csscustomproperty.h"
 #include "core/fxcrt/css/cfx_cssenumvalue.h"
diff --git a/core/fxcrt/xml/cfx_xmlinstruction_unittest.cpp b/core/fxcrt/xml/cfx_xmlinstruction_unittest.cpp
index c1fbad5..cfa7fb3 100644
--- a/core/fxcrt/xml/cfx_xmlinstruction_unittest.cpp
+++ b/core/fxcrt/xml/cfx_xmlinstruction_unittest.cpp
@@ -4,6 +4,8 @@
 
 #include "core/fxcrt/xml/cfx_xmlinstruction.h"
 
+#include <memory>
+
 #include "core/fxcrt/cfx_readonlymemorystream.h"
 #include "core/fxcrt/xml/cfx_xmldocument.h"
 #include "core/fxcrt/xml/cfx_xmlelement.h"
diff --git a/core/fxge/apple/apple_int.h b/core/fxge/apple/apple_int.h
index e84387a..a53b91b 100644
--- a/core/fxge/apple/apple_int.h
+++ b/core/fxge/apple/apple_int.h
@@ -9,14 +9,14 @@
 
 #include "core/fxcrt/fx_system.h"
 
+#include <Carbon/Carbon.h>
+
 #include "core/fxge/cfx_graphstatedata.h"
 #include "core/fxge/cfx_pathdata.h"
 #include "core/fxge/cfx_renderdevice.h"
 #include "core/fxge/fx_dib.h"
 #include "core/fxge/renderdevicedriver_iface.h"
 
-#include <Carbon/Carbon.h>
-
 class CQuartz2D {
  public:
   void* createGraphics(const RetainPtr<CFX_DIBitmap>& bitmap);
diff --git a/core/fxge/dib/cfx_dibitmap.cpp b/core/fxge/dib/cfx_dibitmap.cpp
index 89cfbb6..0dbf47c 100644
--- a/core/fxge/dib/cfx_dibitmap.cpp
+++ b/core/fxge/dib/cfx_dibitmap.cpp
@@ -15,11 +15,10 @@
 #include "core/fxge/dib/cfx_scanlinecompositor.h"
 #include "third_party/base/ptr_util.h"
 
-#define MAX_OOM_LIMIT 12000000
-
 namespace {
 
-const int8_t kChannelOffset[] = {0, 2, 1, 0, 0, 1, 2, 3, 3};
+constexpr size_t kMaxOOMLimit = 12000000;
+constexpr int8_t kChannelOffset[] = {0, 2, 1, 0, 0, 1, 2, 3, 3};
 
 }  // namespace
 
@@ -47,16 +46,14 @@
   m_Pitch = 0;
 
   uint32_t calculatedSize;
-  if (!CFX_DIBitmap::CalculatePitchAndSize(height, width, format, &pitch,
-                                           &calculatedSize))
+  if (!CalculatePitchAndSize(height, width, format, &pitch, &calculatedSize))
     return false;
 
   if (pBuffer) {
     m_pBuffer.Reset(pBuffer);
   } else {
     size_t bufferSize = calculatedSize + 4;
-    size_t oomlimit = MAX_OOM_LIMIT;
-    if (bufferSize >= oomlimit) {
+    if (bufferSize >= kMaxOOMLimit) {
       m_pBuffer = std::unique_ptr<uint8_t, FxFreeDeleter>(
           FX_TryAlloc(uint8_t, bufferSize));
       if (!m_pBuffer)
@@ -852,6 +849,7 @@
   return true;
 }
 
+// static
 bool CFX_DIBitmap::CalculatePitchAndSize(int height,
                                          int width,
                                          FXDIB_Format format,
diff --git a/fpdfsdk/formfiller/cffl_formfiller.cpp b/fpdfsdk/formfiller/cffl_formfiller.cpp
index 85f5346..4b94bde 100644
--- a/fpdfsdk/formfiller/cffl_formfiller.cpp
+++ b/fpdfsdk/formfiller/cffl_formfiller.cpp
@@ -535,7 +535,7 @@
   if (!pObserved)
     return false;
 
-  SaveData(pPageView); // may invoking JS to delete this widget.
+  SaveData(pPageView);  // may invoking JS to delete this widget.
   if (!pObserved)
     return false;
 
diff --git a/xfa/fgas/layout/cfx_txtbreak_unittest.cpp b/xfa/fgas/layout/cfx_txtbreak_unittest.cpp
index 8cac2fa..2deadf4 100644
--- a/xfa/fgas/layout/cfx_txtbreak_unittest.cpp
+++ b/xfa/fgas/layout/cfx_txtbreak_unittest.cpp
@@ -4,6 +4,7 @@
 
 #include "xfa/fgas/layout/cfx_txtbreak.h"
 
+#include <memory>
 #include <utility>
 
 #include "core/fxcrt/fx_bidi.h"
diff --git a/xfa/fxfa/parser/cxfa_document.cpp b/xfa/fxfa/parser/cxfa_document.cpp
index 72bba2a..c936989 100644
--- a/xfa/fxfa/parser/cxfa_document.cpp
+++ b/xfa/fxfa/parser/cxfa_document.cpp
@@ -1648,7 +1648,8 @@
     pDatasetsRoot->SetXMLMappingNode(pDatasetsXMLNode);
   }
 
-  CXFA_Node *pDataRoot = nullptr, *pDDRoot = nullptr;
+  CXFA_Node* pDataRoot = nullptr;
+  CXFA_Node* pDDRoot = nullptr;
   WideString wsDatasetsURI =
       pDatasetsRoot->JSObject()->TryNamespace().value_or(WideString());
   for (CXFA_Node* pChildNode = pDatasetsRoot->GetFirstChild(); pChildNode;
diff --git a/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp b/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
index e603d91..a7cbe42 100644
--- a/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
+++ b/xfa/fxfa/parser/cxfa_layoutpagemgr.cpp
@@ -1718,7 +1718,8 @@
   }
 
   int32_t iIndex = 0;
-  for (; pRootLayout; pRootLayout = ToContainerLayoutItem(pRootLayout->m_pNextSibling)) {
+  for (; pRootLayout;
+       pRootLayout = ToContainerLayoutItem(pRootLayout->m_pNextSibling)) {
     CXFA_Node* pPendingPageSet = nullptr;
     CXFA_NodeIteratorTemplate<
         CXFA_ContainerLayoutItem,
@@ -1972,9 +1973,9 @@
 }
 
 void XFA_ReleaseLayoutItem_NoPageArea(CXFA_LayoutItem* pLayoutItem) {
-  CXFA_LayoutItem *pNext, *pNode = pLayoutItem->m_pFirstChild;
+  CXFA_LayoutItem* pNode = pLayoutItem->m_pFirstChild;
   while (pNode) {
-    pNext = pNode->m_pNextSibling;
+    CXFA_LayoutItem* pNext = pNode->m_pNextSibling;
     pNode->m_pParent = nullptr;
     XFA_ReleaseLayoutItem_NoPageArea(pNode);
     pNode = pNext;