[layoutng] Inline NGFragmentBuilder

The functions are all trivial

R=mstensho@chromium.org

Change-Id: Ica0db0344ff13d03a363d7f58e19389fa1ea08d5
Reviewed-on: https://chromium-review.googlesource.com/c/1292888
Commit-Queue: Christian Biesinger <cbiesinger@chromium.org>
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#601547}

third_party/blink/renderer/core/layout/BUILD.gn

@@ -430,7 +430,6 @@ blink_core_sources("layout") {
     "ng/ng_floats_utils.cc",
     "ng/ng_floats_utils.h",
     "ng/ng_fragment.h",
-    "ng/ng_fragment_builder.cc",
     "ng/ng_fragment_builder.h",
     "ng/ng_fragmentation_utils.cc",
     "ng/ng_fragmentation_utils.h",

third_party/blink/renderer/core/layout/ng/ng_fragment_builder.cc

-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "third_party/blink/renderer/core/layout/ng/ng_fragment_builder.h"
-
-#include "third_party/blink/renderer/core/style/computed_style.h"
-
-namespace blink {
-
-NGFragmentBuilder::NGFragmentBuilder(scoped_refptr<const ComputedStyle> style,
-                                     WritingMode writing_mode,
-                                     TextDirection direction)
-    : style_(std::move(style)),
-      writing_mode_(writing_mode),
-      direction_(direction),
-      style_variant_(NGStyleVariant::kStandard) {
-  DCHECK(style_);
-}
-
-NGFragmentBuilder::NGFragmentBuilder(WritingMode writing_mode,
-                                     TextDirection direction)
-    : writing_mode_(writing_mode), direction_(direction) {}
-
-NGFragmentBuilder::~NGFragmentBuilder() = default;
-
-NGFragmentBuilder& NGFragmentBuilder::SetStyle(
-    scoped_refptr<const ComputedStyle> style,
-    NGStyleVariant style_variant) {
-  DCHECK(style);
-  style_ = std::move(style);
-  style_variant_ = style_variant;
-  return *this;
-}
-
-}  // namespace blink

third_party/blink/renderer/core/layout/ng/ng_fragment_builder.h

@@ -10,21 +10,20 @@
 #include "third_party/blink/renderer/core/layout/ng/geometry/ng_logical_size.h"
 #include "third_party/blink/renderer/core/layout/ng/ng_break_token.h"
 #include "third_party/blink/renderer/core/layout/ng/ng_style_variant.h"
+#include "third_party/blink/renderer/core/style/computed_style.h"
 #include "third_party/blink/renderer/platform/text/text_direction.h"
 #include "third_party/blink/renderer/platform/text/writing_mode.h"
 #include "third_party/blink/renderer/platform/wtf/allocator.h"
 
 namespace blink {
 
-class ComputedStyle;
 class LayoutObject;
-class NGBreakToken;
 
 class CORE_EXPORT NGFragmentBuilder {
   STACK_ALLOCATED();
 
  public:
-  virtual ~NGFragmentBuilder();
+  virtual ~NGFragmentBuilder() {}
 
   const ComputedStyle& Style() const {
     DCHECK(style_);
@@ -34,8 +33,13 @@ class CORE_EXPORT NGFragmentBuilder {
     style_variant_ = style_variant;
     return *this;
   }
-  NGFragmentBuilder& SetStyle(scoped_refptr<const ComputedStyle>,
-                              NGStyleVariant);
+  NGFragmentBuilder& SetStyle(scoped_refptr<const ComputedStyle> style,
+                              NGStyleVariant style_variant) {
+    DCHECK(style);
+    style_ = std::move(style);
+    style_variant_ = style_variant;
+    return *this;
+  }
 
   WritingMode GetWritingMode() const { return writing_mode_; }
   TextDirection Direction() const { return direction_; }
@@ -53,10 +57,17 @@ class CORE_EXPORT NGFragmentBuilder {
   LayoutObject* GetLayoutObject() { return layout_object_; }
 
  protected:
-  NGFragmentBuilder(scoped_refptr<const ComputedStyle>,
-                    WritingMode,
-                    TextDirection);
-  NGFragmentBuilder(WritingMode, TextDirection);
+  NGFragmentBuilder(scoped_refptr<const ComputedStyle> style,
+                    WritingMode writing_mode,
+                    TextDirection direction)
+      : style_(std::move(style)),
+        writing_mode_(writing_mode),
+        direction_(direction),
+        style_variant_(NGStyleVariant::kStandard) {
+    DCHECK(style_);
+  }
+  NGFragmentBuilder(WritingMode writing_mode, TextDirection direction)
+      : writing_mode_(writing_mode), direction_(direction) {}
 
  private:
   scoped_refptr<const ComputedStyle> style_;