Clear the text cache when the tooltip text is updated.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 6dd435042424fb54f5e819d607a4540cd8cd0ec0..33d3a7c15217458ee46e53685c18da1aac05c1cc 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -1810,6 +1810,7 @@ test("browser_tests") {
       "../browser/ui/toolbar/mock_component_toolbar_actions_factory.cc",
       "../browser/ui/toolbar/mock_component_toolbar_actions_factory.h",
       "../browser/ui/update_chrome_dialog_browsertest.cc",
+      "../browser/ui/views/bookmarks/bookmark_bar_view_browsertest.cc",
       "../browser/ui/website_settings/mock_permission_prompt.cc",
       "../browser/ui/website_settings/mock_permission_prompt.h",
       "../browser/ui/website_settings/mock_permission_prompt_factory.cc",