Remove wtf/alignment.h.

It is unused, except for two calls to is AlignedTo which can be inlined.

Change-Id: I4aa8b56548b2e217f3ed0eb03be5e7ae5a0d8c54
Reviewed-on: https://chromium-review.googlesource.com/c/1352987
Commit-Queue: Jeremy Roman <jbroman@chromium.org>
Reviewed-by: Yuta Kitamura <yutak@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612245}

third_party/blink/renderer/platform/graphics/contiguous_container.h

@@ -13,7 +13,6 @@
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "third_party/blink/renderer/platform/platform_export.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/allocator.h"
 #include "third_party/blink/renderer/platform/wtf/compiler.h"
 #include "third_party/blink/renderer/platform/wtf/type_traits.h"

third_party/blink/renderer/platform/graphics/paint/display_item_list.h

@@ -8,7 +8,6 @@
 #include "third_party/blink/renderer/platform/graphics/contiguous_container.h"
 #include "third_party/blink/renderer/platform/graphics/paint/display_item.h"
 #include "third_party/blink/renderer/platform/graphics/paint/hit_test_display_item.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/assertions.h"
 
 namespace blink {

third_party/blink/renderer/platform/graphics/paint/paint_controller.h

@@ -20,7 +20,6 @@
 #include "third_party/blink/renderer/platform/graphics/paint/paint_chunker.h"
 #include "third_party/blink/renderer/platform/platform_export.h"
 #include "third_party/blink/renderer/platform/runtime_enabled_features.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/assertions.h"
 #include "third_party/blink/renderer/platform/wtf/hash_map.h"
 #include "third_party/blink/renderer/platform/wtf/hash_set.h"

third_party/blink/renderer/platform/heap/sparse_heap_bitmap.h

@@ -11,7 +11,6 @@
 #include "base/memory/ptr_util.h"
 #include "third_party/blink/renderer/platform/heap/blink_gc.h"
 #include "third_party/blink/renderer/platform/heap/heap_page.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 
 namespace blink {
 

third_party/blink/renderer/platform/transforms/transformation_matrix.h

@@ -34,7 +34,6 @@
 #include "build/build_config.h"
 #include "third_party/blink/renderer/platform/geometry/float_point.h"
 #include "third_party/blink/renderer/platform/geometry/float_point_3d.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/allocator.h"
 
 namespace gfx {

third_party/blink/renderer/platform/wtf/BUILD.gn

@@ -45,7 +45,6 @@ config("wtf_config") {
 jumbo_component("wtf") {
   sources = [
     "address_sanitizer.h",
-    "alignment.h",
     "allocator.cc",
     "allocator.h",
     "allocator/partition_allocator.cc",

third_party/blink/renderer/platform/wtf/alignment.h

-/*
- *  Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Library General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Library General Public License for more details.
- *
- *  You should have received a copy of the GNU Library General Public License
- *  along with this library; see the file COPYING.LIB.  If not, write to
- *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_ALIGNMENT_H_
-#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_ALIGNMENT_H_
-
-#include <stdint.h>
-#include "build/build_config.h"
-
-namespace WTF {
-
-#if defined(COMPILER_GCC)
-#define WTF_ALIGN_OF(type) __alignof__(type)
-#define WTF_ALIGNED(variable_type, variable, n) \
-  variable_type variable __attribute__((__aligned__(n)))
-#elif defined(COMPILER_MSVC)
-#define WTF_ALIGN_OF(type) __alignof(type)
-#define WTF_ALIGNED(variable_type, variable, n) \
-  __declspec(align(n)) variable_type variable
-#else
-#error WTF_ALIGN macros need alignment control.
-#endif
-
-template <uintptr_t mask>
-inline bool IsAlignedTo(const void* pointer) {
-  return !(reinterpret_cast<uintptr_t>(pointer) & mask);
-}
-
-}  // namespace WTF
-
-#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_ALIGNMENT_H_

third_party/blink/renderer/platform/wtf/hash_table.h

@@ -26,7 +26,6 @@
 #include <memory>
 
 #include "base/numerics/checked_math.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/allocator.h"
 #include "third_party/blink/renderer/platform/wtf/allocator/partition_allocator.h"
 #include "third_party/blink/renderer/platform/wtf/assertions.h"

third_party/blink/renderer/platform/wtf/text/ascii_fast_path.h

@@ -24,7 +24,6 @@
 
 #include <stdint.h>
 #include "build/build_config.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/cpu.h"
 #include "third_party/blink/renderer/platform/wtf/std_lib_extras.h"
 #include "third_party/blink/renderer/platform/wtf/text/unicode.h"
@@ -117,7 +116,9 @@ inline void CopyLCharsFromUCharSource(LChar* destination,
   const uintptr_t kMemoryAccessMask = kMemoryAccessSize - 1;
 
   size_t i = 0;
-  for (; i < length && !IsAlignedTo<kMemoryAccessMask>(&source[i]); ++i) {
+  for (; i < length &&
+         reinterpret_cast<uintptr_t>(&source[i]) & kMemoryAccessMask;
+       ++i) {
     DCHECK(!(source[i] & 0xff00));
     destination[i] = static_cast<LChar>(source[i]);
   }
@@ -155,7 +156,7 @@ inline void CopyLCharsFromUCharSource(LChar* destination,
   if (length >= (2 * kMemoryAccessSize) - 1) {
     // Prefix: align dst on 64 bits.
     const uintptr_t kMemoryAccessMask = kMemoryAccessSize - 1;
-    while (!IsAlignedTo<kMemoryAccessMask>(destination))
+    while (reinterpret_cast<uintptr_t>(destination) & kMemoryAccessMask)
       *destination++ = static_cast<LChar>(*source++);
 
     // Vector interleaved unpack, we only store the lower 8 bits.

third_party/blink/renderer/platform/wtf/vector.h

@@ -30,7 +30,6 @@
 #include "base/macros.h"
 #include "base/template_util.h"
 #include "build/build_config.h"
-#include "third_party/blink/renderer/platform/wtf/alignment.h"
 #include "third_party/blink/renderer/platform/wtf/allocator/partition_allocator.h"
 #include "third_party/blink/renderer/platform/wtf/construct_traits.h"
 #include "third_party/blink/renderer/platform/wtf/container_annotations.h"