Live updates for search box and suggestion chip colors.

Bug: 1139478
Change-Id: Ie9179fc42d59def83910475e93ef93c5eef3b496
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622761
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842688}

ash/app_list/views/search_box_view.cc

@@ -219,6 +219,13 @@ const char* SearchBoxView::GetClassName() const {
   return "SearchBoxView";
 }
 
+void SearchBoxView::OnThemeChanged() {
+  views::View::OnThemeChanged();
+  SetupAssistantButton();
+  SetupCloseButton();
+  OnWallpaperColorsChanged();
+}
+
 // static
 int SearchBoxView::GetFocusRingSpacing() {
   return kSearchBoxFocusRingWidth + kSearchBoxFocusRingPadding;

ash/app_list/views/search_box_view.h

@@ -68,6 +68,7 @@ class APP_LIST_EXPORT SearchBoxView : public SearchBoxViewBase,
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   void OnPaintBackground(gfx::Canvas* canvas) override;
   const char* GetClassName() const override;
+  void OnThemeChanged() override;
 
   // Updates the search box's background corner radius and color based on the
   // state of AppListModel.

ash/app_list/views/search_result_suggestion_chip_view.cc

@@ -145,6 +145,13 @@ bool SearchResultSuggestionChipView::OnKeyPressed(const ui::KeyEvent& event) {
   return Button::OnKeyPressed(event);
 }
 
+void SearchResultSuggestionChipView::OnThemeChanged() {
+  views::View::OnThemeChanged();
+  text_view_->SetEnabledColor(
+      AppListColorProvider::Get()->GetSuggestionChipTextColor());
+  SchedulePaint();
+}
+
 std::unique_ptr<views::InkDrop>
 SearchResultSuggestionChipView::CreateInkDrop() {
   std::unique_ptr<views::InkDropImpl> ink_drop =

ash/app_list/views/search_result_suggestion_chip_view.h

@@ -49,6 +49,7 @@ class APP_LIST_EXPORT SearchResultSuggestionChipView
   void OnFocus() override;
   void OnBlur() override;
   bool OnKeyPressed(const ui::KeyEvent& event) override;
+  void OnThemeChanged() override;
 
   // views::InkDropHost:
   std::unique_ptr<views::InkDrop> CreateInkDrop() override;