Clear the text cache when the tooltip text is updated.

chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
index 3010e8e8cff7dfca71a7306a42b9b3695d5d18ed..e08d72093b589fbd6a5b1c832530d3ed079ecb60 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
@@ -279,6 +279,7 @@ class BookmarkButton : public BookmarkButtonBase {
     // it may be elided differently.
     int max_tooltip_width = tooltip_manager->GetMaxWidth(location);
     if (tooltip_text_.empty() || max_tooltip_width != max_tooltip_width_) {
+      LOG(ERROR) << "New Tooltip:" << tooltip_text_;

[sky, 2017/02/09 20:30:40]

Remove this.

[oshima, 2017/02/13 04:37:24]

Done.

       max_tooltip_width_ = max_tooltip_width;
       tooltip_text_ = BookmarkBarView::CreateToolTipForURLAndTitle(
           max_tooltip_width_, tooltip_manager->GetFontList(), url_, GetText());
@@ -289,7 +290,7 @@ class BookmarkButton : public BookmarkButtonBase {
 
   void SetText(const base::string16& text) override {
     BookmarkButtonBase::SetText(text);
-    tooltip_text_.empty();
+    tooltip_text_.clear();
   }
 
   const char* GetClassName() const override { return kViewClassName; }