[omnibox] [rich-autocompletion] Mark params const ref in render_text.

Follow up on crrev.com/c/2108780.

Bug: 1062446
Change-Id: I742fdc3b8314bb717cde70e2d261b6fdb21b3936
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2213125Reviewed-by: Etienne Bergeron <etienneb@chromium.org>
Commit-Queue: manuk hovanesian <manukh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771848}

ui/gfx/render_text.cc

@@ -2244,7 +2244,7 @@ internal::GraphemeIterator RenderText::GetGraphemeIteratorAtIndex(
 }
 
 void RenderText::DrawSelections(Canvas* canvas,
-                                const std::vector<Range> selections) {
+                                const std::vector<Range>& selections) {
   for (auto selection : selections) {
     if (!selection.is_empty()) {
       for (Rect s : GetSubstringBounds(selection)) {

ui/gfx/render_text.h

@@ -737,7 +737,7 @@ class GFX_EXPORT RenderText {
 
   // Draw all text and make the given ranges appear selected.
   virtual void DrawVisualText(internal::SkiaTextRenderer* renderer,
-                              const std::vector<Range> selections) = 0;
+                              const std::vector<Range>& selections) = 0;
 
   // Update the display text.
   void UpdateDisplayText(float text_width);
@@ -828,7 +828,7 @@ class GFX_EXPORT RenderText {
   void UpdateCachedBoundsAndOffset();
 
   // Draws the specified ranges of text with a selected appearance.
-  void DrawSelections(Canvas* canvas, const std::vector<Range> selections);
+  void DrawSelections(Canvas* canvas, const std::vector<Range>& selections);
 
   // Returns a grapheme iterator that contains the codepoint at |index|.
   internal::GraphemeIterator GetGraphemeIteratorAtIndex(

ui/gfx/render_text_harfbuzz.cc

@@ -1698,7 +1698,7 @@ void RenderTextHarfBuzz::EnsureLayout() {
 }
 
 void RenderTextHarfBuzz::DrawVisualText(internal::SkiaTextRenderer* renderer,
-                                        const std::vector<Range> selections) {
+                                        const std::vector<Range>& selections) {
   DCHECK(!update_layout_run_list_);
   DCHECK(!update_display_run_list_);
   DCHECK(!update_display_text_);

ui/gfx/render_text_harfbuzz.h

@@ -229,7 +229,7 @@ class GFX_EXPORT RenderTextHarfBuzz : public RenderText {
   void OnDisplayTextAttributeChanged() override;
   void EnsureLayout() override;
   void DrawVisualText(internal::SkiaTextRenderer* renderer,
-                      const std::vector<Range> selections) override;
+                      const std::vector<Range>& selections) override;
 
  private:
   friend class test::RenderTextTestApi;