clang-format all pdfium code.

core/include/fxcrt/fx_memory.h

 // 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_MEMORY_H_
 #define CORE_INCLUDE_FXCRT_FX_MEMORY_H_
 
 #include "fx_system.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 // For external C libraries to malloc through PDFium. These may return NULL.
-void*   FXMEM_DefaultAlloc(size_t byte_size, int flags);
-void*   FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags);
-void    FXMEM_DefaultFree(void* pointer, int flags);
+void* FXMEM_DefaultAlloc(size_t byte_size, int flags);
+void* FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags);
+void FXMEM_DefaultFree(void* pointer, int flags);
 #ifdef __cplusplus
 }  // extern "C"
 
 #include <stdlib.h>
 #include <limits>
 #include <new>
 
 NEVER_INLINE void FX_OutOfMemoryTerminate();
 
 inline void* FX_SafeRealloc(void* ptr, size_t num_members, size_t member_size) {
-    if (num_members < std::numeric_limits<size_t>::max() / member_size) {
-        return realloc(ptr, num_members * member_size);
-    }
-    return nullptr;
+  if (num_members < std::numeric_limits<size_t>::max() / member_size) {
+    return realloc(ptr, num_members * member_size);
+  }
+  return nullptr;
 }
 
 inline void* FX_AllocOrDie(size_t num_members, size_t member_size) {
-    // TODO(tsepez): See if we can avoid the implicit memset(0).
-    if (void* result = calloc(num_members, member_size)) {
-        return result;
-    }
-    FX_OutOfMemoryTerminate();  // Never returns.
-    return nullptr;  // Suppress compiler warning.
+  // TODO(tsepez): See if we can avoid the implicit memset(0).
+  if (void* result = calloc(num_members, member_size)) {
+    return result;
+  }
+  FX_OutOfMemoryTerminate();  // Never returns.
+  return nullptr;             // Suppress compiler warning.
 }
 
 inline void* FX_AllocOrDie2D(size_t w, size_t h, size_t member_size) {
-    if (w < std::numeric_limits<size_t>::max() / h) {
-        return FX_AllocOrDie(w * h, member_size);
-    }
-    FX_OutOfMemoryTerminate();  // Never returns.
-    return nullptr;  // Suppress compiler warning.
+  if (w < std::numeric_limits<size_t>::max() / h) {
+    return FX_AllocOrDie(w * h, member_size);
+  }
+  FX_OutOfMemoryTerminate();  // Never returns.
+  return nullptr;             // Suppress compiler warning.
 }
 
-inline void* FX_ReallocOrDie(void* ptr, size_t num_members, size_t member_size) {
-    if (void* result = FX_SafeRealloc(ptr, num_members, member_size)) {
-        return result;
-    }
-    FX_OutOfMemoryTerminate();  // Never returns.
-    return nullptr;  // Suppress compiler warning.
+inline void* FX_ReallocOrDie(void* ptr,
+                             size_t num_members,
+                             size_t member_size) {
+  if (void* result = FX_SafeRealloc(ptr, num_members, member_size)) {
+    return result;
+  }
+  FX_OutOfMemoryTerminate();  // Never returns.
+  return nullptr;             // Suppress compiler warning.
 }
 
 // Never returns NULL.
-#define FX_Alloc(type, size) (type*)FX_AllocOrDie(size, sizeof(type))
-#define FX_Alloc2D(type, w, h) (type*)FX_AllocOrDie2D(w, h, sizeof(type))
+#define FX_Alloc(type, size) (type*) FX_AllocOrDie(size, sizeof(type))
+#define FX_Alloc2D(type, w, h) (type*) FX_AllocOrDie2D(w, h, sizeof(type))
 #define FX_Realloc(type, ptr, size) \
-    (type*)FX_ReallocOrDie(ptr, size, sizeof(type))
+  (type*) FX_ReallocOrDie(ptr, size, sizeof(type))
 
 // May return NULL.
-#define FX_TryAlloc(type, size) (type*)calloc(size, sizeof(type))
+#define FX_TryAlloc(type, size) (type*) calloc(size, sizeof(type))
 #define FX_TryRealloc(type, ptr, size) \
-    (type*)FX_SafeRealloc(ptr, size, sizeof(type))
+  (type*) FX_SafeRealloc(ptr, size, sizeof(type))
 
 #define FX_Free(ptr) free(ptr)
 
-class CFX_DestructObject
-{
-public:
+class CFX_DestructObject {
+ public:
+  virtual ~CFX_DestructObject() {}
+};
+class CFX_GrowOnlyPool {
+ public:
+  CFX_GrowOnlyPool(size_t trunk_size = 16384);
 
-    virtual ~CFX_DestructObject() {}
-};
-class CFX_GrowOnlyPool
-{
-public:
+  ~CFX_GrowOnlyPool();
 
-    CFX_GrowOnlyPool(size_t trunk_size = 16384);
+  void SetTrunkSize(size_t trunk_size) { m_TrunkSize = trunk_size; }
 
-    ~CFX_GrowOnlyPool();
+  void* AllocDebug(size_t size, const FX_CHAR* file, int line) {
+    return Alloc(size);
+  }
 
-    void        SetTrunkSize(size_t trunk_size)
-    {
-        m_TrunkSize = trunk_size;
-    }
+  void* Alloc(size_t size);
 
-    void*       AllocDebug(size_t size, const FX_CHAR* file, int line)
-    {
-        return Alloc(size);
-    }
+  void* ReallocDebug(void* p, size_t new_size, const FX_CHAR* file, int line) {
+    return NULL;
+  }
 
-    void*       Alloc(size_t size);
+  void* Realloc(void* p, size_t new_size) { return NULL; }
 
-    void*       ReallocDebug(void* p, size_t new_size, const FX_CHAR* file, int line)
-    {
-        return NULL;
-    }
+  void Free(void*) {}
 
-    void*       Realloc(void* p, size_t new_size)
-    {
-        return NULL;
-    }
+  void FreeAll();
 
-    void        Free(void*) {}
+ private:
+  size_t m_TrunkSize;
 
-    void        FreeAll();
-private:
-
-    size_t      m_TrunkSize;
-
-    void*       m_pFirstTrunk;
+  void* m_pFirstTrunk;
 };
 #endif  // __cplusplus
 
 #endif  // CORE_INCLUDE_FXCRT_FX_MEMORY_H_