Update keyword view style on theme change.

Without this, changing from e.g. dark to light mode can leave the
keyword text with the wrong color, making it difficult to read.

Bug: 1115452
Change-Id: I982ff9de4cedf79c979ec49bcd08dacfb93738f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2357676
Auto-Submit: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Tommy Li <tommycli@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798422}

chrome/browser/ui/views/omnibox/omnibox_result_view.cc

@@ -6,7 +6,7 @@
 
 #include <limits.h>
 
-#include <algorithm>  // NOLINT
+#include <algorithm>
 
 #include "base/macros.h"
 #include "base/strings/string_util.h"
@@ -40,6 +40,7 @@
 #include "ui/views/controls/button/image_button_factory.h"
 #include "ui/views/controls/focus_ring.h"
 #include "ui/views/controls/highlight_path_generator.h"
+
 #if defined(OS_WIN)
 #include "base/win/atl.h"
 #endif
@@ -214,7 +215,10 @@ void OmniboxResultView::ApplyThemeAndRefreshIcons(bool force_reapply_styles) {
     suggestion_view_->description()->ReapplyStyling();
   }
 
-  if (keyword_view_->GetVisible()) {
+  if (force_reapply_styles) {
+    keyword_view_->content()->ReapplyStyling();
+    keyword_view_->description()->ReapplyStyling();
+  } else if (keyword_view_->GetVisible()) {
     keyword_view_->description()->ApplyTextColor(
         OmniboxPart::RESULTS_TEXT_DIMMED);
   }