Remove trailing whitespaces in core, XFA edition.

Review URL: https://codereview.chromium.org/1180333002.
diff --git a/core/include/fxcrt/fx_arb.h b/core/include/fxcrt/fx_arb.h
index 56f56fb..8022daa 100644
--- a/core/include/fxcrt/fx_arb.h
+++ b/core/include/fxcrt/fx_arb.h
@@ -1,7 +1,7 @@
 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
- 
+
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_INCLUDE_FXCRT_FX_ARB_H_
diff --git a/core/include/fxcrt/fx_basic.h b/core/include/fxcrt/fx_basic.h
index 85ade1a..cbd9cd8 100644
--- a/core/include/fxcrt/fx_basic.h
+++ b/core/include/fxcrt/fx_basic.h
@@ -27,7 +27,7 @@
 template <typename T, size_t N>
 char (&ArraySizeHelper(T (&array)[N]))[N];
 
-class CFX_BinaryBuf 
+class CFX_BinaryBuf
 {
 public:
     CFX_BinaryBuf();
@@ -155,7 +155,7 @@
 
     CFX_WideStringC			GetWideString() const;
 };
-class CFX_ArchiveSaver 
+class CFX_ArchiveSaver
 {
 public:
     CFX_ArchiveSaver() : m_pStream(NULL) {}
@@ -198,7 +198,7 @@
 
     IFX_FileStream*			m_pStream;
 };
-class CFX_ArchiveLoader 
+class CFX_ArchiveLoader
 {
 public:
 
@@ -352,7 +352,7 @@
 CFX_WideString FX_UrlDecode(const CFX_ByteString& bsUrl);
 CFX_ByteString FX_EncodeURI(const CFX_WideString& wsURI);
 CFX_WideString FX_DecodeURI(const CFX_ByteString& bsURI);
-class CFX_BasicArray 
+class CFX_BasicArray
 {
 protected:
     CFX_BasicArray(int unit_size);
@@ -665,7 +665,7 @@
 };
 typedef CFX_ObjectArray<CFX_ByteString> CFX_ByteStringArray;
 typedef CFX_ObjectArray<CFX_WideString> CFX_WideStringArray;
-class CFX_BaseSegmentedArray 
+class CFX_BaseSegmentedArray
 {
 public:
     CFX_BaseSegmentedArray(int unit_size = 1, int segment_units = 512, int index_size = 8);
@@ -734,7 +734,7 @@
     }
 };
 template <class DataType, int FixedSize>
-class CFX_FixedBufGrow 
+class CFX_FixedBufGrow
 {
 public:
     CFX_FixedBufGrow() : m_pData(NULL)
@@ -773,7 +773,7 @@
     DataType		m_Data[FixedSize];
     DataType*		m_pData;
 };
-class CFX_MapPtrToPtr 
+class CFX_MapPtrToPtr
 {
 protected:
 
@@ -890,7 +890,7 @@
         rValue = (ValueType)(uintptr_t)pValue;
     }
 };
-class CFX_CMapDWordToDWord 
+class CFX_CMapDWordToDWord
 {
 public:
 
@@ -907,7 +907,7 @@
 
     CFX_BinaryBuf	m_Buffer;
 };
-class CFX_MapByteStringToPtr 
+class CFX_MapByteStringToPtr
 {
 protected:
 
@@ -987,7 +987,7 @@
 
     ~CFX_MapByteStringToPtr();
 };
-class CFX_CMapByteStringToPtr 
+class CFX_CMapByteStringToPtr
 {
 public:
     CFX_CMapByteStringToPtr();
@@ -1015,7 +1015,7 @@
 
     CFX_BaseSegmentedArray			m_Buffer;
 };
-class CFX_PtrList 
+class CFX_PtrList
 {
 protected:
 
@@ -1164,7 +1164,7 @@
 
     void					AddData(void* module_id, void* pData, PD_CALLBACK_FREEDATA callback, FX_BOOL bSelfDestruct);
 };
-class CFX_BitStream 
+class CFX_BitStream
 {
 public:
 
@@ -1197,7 +1197,7 @@
 
     const uint8_t*			m_pData;
 };
-template <class ObjClass> class CFX_CountRef 
+template <class ObjClass> class CFX_CountRef
 {
 public:
 
@@ -1347,7 +1347,7 @@
     virtual ~IFX_Pause() { }
     virtual FX_BOOL	NeedToPauseNow() = 0;
 };
-class CFX_DataFilter 
+class CFX_DataFilter
 {
 public:
 
@@ -1422,7 +1422,7 @@
 };
 #define FX_DATALIST_LENGTH	1024
 template<size_t unit>
-class CFX_SortListArray 
+class CFX_SortListArray
 {
 protected:
 
@@ -1533,7 +1533,7 @@
     CFX_ArrayTemplate<DataList>	m_DataLists;
 };
 template<typename T1, typename T2>
-class CFX_ListArrayTemplate 
+class CFX_ListArrayTemplate
 {
 public:
 
@@ -1581,7 +1581,7 @@
 };
 #define FX_IsOdd(a)	((a) & 1)
 
-class CFX_Vector_3by1 
+class CFX_Vector_3by1
 {
 public:
 
@@ -1597,7 +1597,7 @@
     FX_FLOAT b;
     FX_FLOAT c;
 };
-class CFX_Matrix_3by3 
+class CFX_Matrix_3by3
 {
 public:
 
diff --git a/core/include/fxcrt/fx_coordinates.h b/core/include/fxcrt/fx_coordinates.h
index 779f172..3689a4b 100644
--- a/core/include/fxcrt/fx_coordinates.h
+++ b/core/include/fxcrt/fx_coordinates.h
@@ -1,7 +1,7 @@
 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
- 
+
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_INCLUDE_FXCRT_FX_COORDINATES_H_
@@ -18,7 +18,7 @@
 template<class baseType> class CFX_RRTemplate;
 class CFX_Matrix;
 template<class baseType>
-class CFX_PSVTemplate 
+class CFX_PSVTemplate
 {
 public:
     typedef CFX_PSVTemplate<baseType>	FXT_PSV;
@@ -610,7 +610,7 @@
 
     int16_t	Bottom;
 };
-class CFX_FloatRect 
+class CFX_FloatRect
 {
 public:
 
@@ -755,7 +755,7 @@
 
     FX_FLOAT			top;
 };
-class CFX_Matrix 
+class CFX_Matrix
 {
 public:
 
diff --git a/core/include/fxcrt/fx_ext.h b/core/include/fxcrt/fx_ext.h
index 9bb4c29..308f28b 100644
--- a/core/include/fxcrt/fx_ext.h
+++ b/core/include/fxcrt/fx_ext.h
@@ -1,7 +1,7 @@
 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
- 
+
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_INCLUDE_FXCRT_FX_EXT_H_
diff --git a/core/include/fxcrt/fx_memory.h b/core/include/fxcrt/fx_memory.h
index 2e7eafb..d19a3b3 100644
--- a/core/include/fxcrt/fx_memory.h
+++ b/core/include/fxcrt/fx_memory.h
@@ -72,13 +72,13 @@
 
 #define FX_Free(ptr) free(ptr)
 
-class CFX_DestructObject 
+class CFX_DestructObject
 {
 public:
 
     virtual ~CFX_DestructObject() {}
 };
-class CFX_GrowOnlyPool 
+class CFX_GrowOnlyPool
 {
 public:
 
diff --git a/core/include/fxcrt/fx_stream.h b/core/include/fxcrt/fx_stream.h
index 09a8e35..c5d7b40 100644
--- a/core/include/fxcrt/fx_stream.h
+++ b/core/include/fxcrt/fx_stream.h
@@ -167,7 +167,7 @@
 class IFX_FileAccess
 {
 public:
-	virtual void				Release() = 0;	
+	virtual void				Release() = 0;
 	virtual IFX_FileAccess*		Retain() = 0;
 	virtual void				GetPath(CFX_WideString& wsPath) = 0;
 	virtual IFX_FileStream*		CreateFileStream(FX_DWORD dwModes) = 0;
diff --git a/core/include/fxcrt/fx_ucd.h b/core/include/fxcrt/fx_ucd.h
index e8d55d1..84f6169 100644
--- a/core/include/fxcrt/fx_ucd.h
+++ b/core/include/fxcrt/fx_ucd.h
@@ -1,7 +1,7 @@
 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
- 
+
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_INCLUDE_FXCRT_FX_UCD_H_
diff --git a/core/include/fxcrt/fx_xml.h b/core/include/fxcrt/fx_xml.h
index fb24f61..ba33b20 100644
--- a/core/include/fxcrt/fx_xml.h
+++ b/core/include/fxcrt/fx_xml.h
@@ -9,14 +9,14 @@
 
 #include "fx_basic.h"
 
-class CXML_AttrItem 
+class CXML_AttrItem
 {
 public:
     CFX_ByteString	m_QSpaceName;
     CFX_ByteString	m_AttrName;
     CFX_WideString	m_Value;
 };
-class CXML_AttrMap 
+class CXML_AttrMap
 {
 public:
     CXML_AttrMap()
@@ -35,7 +35,7 @@
     CXML_AttrItem&			GetAt(int index) const;
     CFX_ObjectArray<CXML_AttrItem>*	m_pMap;
 };
-class CXML_Content 
+class CXML_Content
 {
 public:
     CXML_Content() : m_bCDATA(FALSE), m_Content() {}
@@ -47,7 +47,7 @@
     FX_BOOL			m_bCDATA;
     CFX_WideString	m_Content;
 };
-class CXML_Element 
+class CXML_Element
 {
 public:
     static CXML_Element*	Parse(const void* pBuffer, size_t size, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL);