Get rid of have_selection parameter

Check the call site instead. There should be no behavioral change.
Preparing for making HighlightPaintingUtils::SelectionPaintingStyle
HighlightPaintingStyle and share the code with other highlight pseudo
elements.

Bug: 1136817
Change-Id: I240fdc2689db914862bc4ae64f64969ed3099acd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2503552Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821815}

third_party/blink/renderer/core/paint/highlight_painting_utils.cc

@@ -197,15 +197,12 @@ TextPaintStyle HighlightPaintingUtils::SelectionPaintingStyle(
     const Document& document,
     const ComputedStyle& style,
     Node* node,
-    bool have_selection,
     const TextPaintStyle& text_style,
     const PaintInfo& paint_info) {
   TextPaintStyle selection_style = text_style;
   bool uses_text_as_clip = paint_info.phase == PaintPhase::kTextClip;
-  bool is_printing = paint_info.IsPrinting();
   const GlobalPaintFlags global_paint_flags = paint_info.GetGlobalPaintFlags();
 
-  if (have_selection) {
   if (!uses_text_as_clip) {
     selection_style.fill_color =
         SelectionForegroundColor(document, style, node, global_paint_flags);
@@ -227,9 +224,8 @@ TextPaintStyle HighlightPaintingUtils::SelectionPaintingStyle(
   }
 
   // Text shadows are disabled when printing. http://crbug.com/258321
-    if (is_printing)
+  if (paint_info.IsPrinting())
     selection_style.shadow = nullptr;
-  }
 
   return selection_style;
 }

third_party/blink/renderer/core/paint/highlight_painting_utils.h

@@ -41,7 +41,6 @@ class CORE_EXPORT HighlightPaintingUtils {
   static TextPaintStyle SelectionPaintingStyle(const Document&,
                                                const ComputedStyle&,
                                                Node*,
-                                               bool have_selection,
                                                const TextPaintStyle& text_style,
                                                const PaintInfo&);
 };

third_party/blink/renderer/core/paint/highlight_painting_utils_test.cc

@@ -169,8 +169,7 @@ TEST_F(HighlightPaintingUtilsTest, SelectedTextInputShadow) {
   TextPaintStyle paint_style;
 
   paint_style = HighlightPaintingUtils::SelectionPaintingStyle(
-      GetDocument(), text_style, text_node, true /* have_selection */,
-      paint_style, paint_info);
+      GetDocument(), text_style, text_node, paint_style, paint_info);
 
   EXPECT_EQ(Color(0, 128, 0), paint_style.fill_color);
   EXPECT_TRUE(paint_style.shadow);

third_party/blink/renderer/core/paint/inline_text_box_painter.cc

@@ -260,10 +260,12 @@ void InlineTextBoxPainter::Paint(const PaintInfo& paint_info,
   TextPaintStyle text_style = TextPainterBase::TextPaintingStyle(
       inline_text_box_.GetLineLayoutItem().GetDocument(), style_to_use,
       paint_info);
-  TextPaintStyle selection_style = TextPainterBase::SelectionPaintingStyle(
+  TextPaintStyle selection_style = text_style;
+  if (have_selection) {
+    selection_style = TextPainterBase::SelectionPaintingStyle(
         inline_text_box_.GetLineLayoutItem().GetDocument(), style_to_use,
-      inline_text_box_.GetLineLayoutItem().GetNode(), have_selection,
-      paint_info, text_style);
+        inline_text_box_.GetLineLayoutItem().GetNode(), paint_info, text_style);
+  }
   bool paint_selected_text_only =
       (paint_info.phase == PaintPhase::kSelectionDragImage);
   bool paint_selected_text_separately =

third_party/blink/renderer/core/paint/ng/ng_text_fragment_painter.cc

@@ -382,7 +382,7 @@ class SelectionPaintState {
                              const PaintInfo& paint_info,
                              const TextPaintStyle& text_style) {
     selection_style_ = TextPainterBase::SelectionPaintingStyle(
-        document, style, node, /*have_selection*/ true, paint_info, text_style);
+        document, style, node, paint_info, text_style);
     paint_selected_text_only_ =
         (paint_info.phase == PaintPhase::kSelectionDragImage);
     paint_selected_text_separately_ =

third_party/blink/renderer/core/paint/text_painter_base.cc

@@ -163,11 +163,10 @@ TextPaintStyle TextPainterBase::SelectionPaintingStyle(
     const Document& document,
     const ComputedStyle& style,
     Node* node,
-    bool have_selection,
     const PaintInfo& paint_info,
     const TextPaintStyle& text_style) {
-  return HighlightPaintingUtils::SelectionPaintingStyle(
-      document, style, node, have_selection, text_style, paint_info);
+  return HighlightPaintingUtils::SelectionPaintingStyle(document, style, node,
+                                                        text_style, paint_info);
 }
 
 void TextPainterBase::DecorationsStripeIntercepts(

third_party/blink/renderer/core/paint/text_painter_base.h

@@ -74,7 +74,6 @@ class CORE_EXPORT TextPainterBase {
       const Document&,
       const ComputedStyle&,
       Node*,
-      bool have_selection,
       const PaintInfo&,
       const TextPaintStyle& text_style);