Add missing header files to GN files

third_party/WebKit/Source/core/layout/BUILD.gn

 # Copyright 2016 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.
 
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("layout") {
   split_count = 5
 
   sources = [
@@ skipping 22 matching lines @@
     "GridTrackSizingAlgorithm.cpp",
     "GridTrackSizingAlgorithm.h",
     "HitTestCache.cpp",
     "HitTestCache.h",
     "HitTestCanvasResult.cpp",
     "HitTestCanvasResult.h",
     "HitTestLocation.cpp",
     "HitTestLocation.h",
     "HitTestRequest.h",
     "HitTestResult.cpp",
+    "HitTestResult.h",
     "HitTestingTransformState.cpp",
     "HitTestingTransformState.h",
     "ImageQualityController.cpp",
     "ImageQualityController.h",
     "IntersectionGeometry.cpp",
     "IntersectionGeometry.h",
     "LayoutAnalyzer.cpp",
     "LayoutAnalyzer.h",
     "LayoutBR.cpp",
+    "LayoutBR.h",
     "LayoutBlock.cpp",
     "LayoutBlock.h",
     "LayoutBlockFlow.cpp",
+    "LayoutBlockFlow.h",
     "LayoutBlockFlowLine.cpp",
     "LayoutBox.cpp",
+    "LayoutBox.h",
     "LayoutBoxModelObject.cpp",
     "LayoutBoxModelObject.h",
     "LayoutButton.cpp",
     "LayoutButton.h",
     "LayoutCounter.cpp",
     "LayoutCounter.h",
     "LayoutDeprecatedFlexibleBox.cpp",
     "LayoutDeprecatedFlexibleBox.h",
     "LayoutDetailsMarker.cpp",
     "LayoutDetailsMarker.h",
@@ skipping 40 matching lines @@
     "LayoutMedia.h",
     "LayoutMenuList.cpp",
     "LayoutMenuList.h",
     "LayoutMultiColumnFlowThread.cpp",
     "LayoutMultiColumnFlowThread.h",
     "LayoutMultiColumnSet.cpp",
     "LayoutMultiColumnSet.h",
     "LayoutMultiColumnSpannerPlaceholder.cpp",
     "LayoutMultiColumnSpannerPlaceholder.h",
     "LayoutObject.cpp",
+    "LayoutObject.h",
     "LayoutObjectChildList.cpp",
     "LayoutObjectChildList.h",
     "LayoutObjectInlines.h",
     "LayoutPagedFlowThread.cpp",
     "LayoutPagedFlowThread.h",
     "LayoutPart.cpp",
     "LayoutPart.h",
     "LayoutProgress.cpp",
     "LayoutProgress.h",
     "LayoutQuote.cpp",
@@ skipping 32 matching lines @@
     "LayoutTableCaption.h",
     "LayoutTableCell.cpp",
     "LayoutTableCell.h",
     "LayoutTableCol.cpp",
     "LayoutTableCol.h",
     "LayoutTableRow.cpp",
     "LayoutTableRow.h",
     "LayoutTableSection.cpp",
     "LayoutTableSection.h",
     "LayoutText.cpp",
+    "LayoutText.h",
     "LayoutTextCombine.cpp",
     "LayoutTextCombine.h",
     "LayoutTextControl.cpp",
     "LayoutTextControl.h",
     "LayoutTextControlMultiLine.cpp",
     "LayoutTextControlMultiLine.h",
     "LayoutTextControlSingleLine.cpp",
     "LayoutTextControlSingleLine.h",
     "LayoutTextFragment.cpp",
     "LayoutTextFragment.h",
     "LayoutTextTrackContainer.cpp",
     "LayoutTextTrackContainer.h",
     "LayoutTheme.cpp",
     "LayoutTheme.h",
     "LayoutThemeDefault.cpp",
     "LayoutThemeDefault.h",
     "LayoutThemeFontProvider.cpp",
     "LayoutThemeFontProvider.h",
     "LayoutThemeMac.h",
     "LayoutThemeMac.mm",
     "LayoutThemeMobile.cpp",
     "LayoutThemeMobile.h",
     "LayoutTreeAsText.cpp",
+    "LayoutTreeAsText.h",
     "LayoutVTTCue.cpp",
     "LayoutVTTCue.h",
     "LayoutVideo.cpp",
     "LayoutVideo.h",
     "LayoutView.cpp",
     "LayoutView.h",
     "LayoutWordBreak.cpp",
     "LayoutWordBreak.h",
     "ListMarkerText.cpp",
     "ListMarkerText.h",
@@ skipping 84 matching lines @@
     "compositing/PaintLayerCompositor.cpp",
     "compositing/PaintLayerCompositor.h",
     "line/AbstractInlineTextBox.cpp",
     "line/AbstractInlineTextBox.h",
     "line/BreakingContext.cpp",
     "line/BreakingContextInlineHeaders.h",
     "line/EllipsisBox.cpp",
     "line/EllipsisBox.h",
     "line/GlyphOverflow.h",
     "line/InlineBox.cpp",
+    "line/InlineBox.h",
     "line/InlineFlowBox.cpp",
+    "line/InlineFlowBox.h",
     "line/InlineIterator.h",
     "line/InlineTextBox.cpp",
+    "line/InlineTextBox.h",
     "line/LayoutTextInfo.h",
     "line/LineBoxList.cpp",
     "line/LineBoxList.h",
     "line/LineBreaker.cpp",
     "line/LineBreaker.h",
     "line/LineInfo.h",
     "line/LineLayoutState.h",
     "line/LineWidth.cpp",
     "line/LineWidth.h",
     "line/RootInlineBox.cpp",
+    "line/RootInlineBox.h",
     "line/TrailingObjects.cpp",
     "line/TrailingObjects.h",
     "line/WordMeasurement.h",
     "ng/geometry/ng_box_strut.cc",
     "ng/geometry/ng_box_strut.h",
     "ng/geometry/ng_edge.h",
     "ng/geometry/ng_logical_offset.cc",
     "ng/geometry/ng_logical_offset.h",
     "ng/geometry/ng_logical_rect.cc",
     "ng/geometry/ng_logical_rect.h",
@@ skipping 132 matching lines @@
       "LayoutThemeAndroid.cpp",
       "LayoutThemeAndroid.h",
     ]
   }
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }