Tracks changes to zoom icon and zoom percentage. Notifies browser window if the icon should be chan…

chrome/browser/ui/panels/panel_browser_window.cc

Index: chrome/browser/ui/panels/panel_browser_window.cc
diff --git a/chrome/browser/ui/panels/panel_browser_window.cc b/chrome/browser/ui/panels/panel_browser_window.cc
index e839497769a86e3b83f433333849d622da1cdc11..a05f542553c3ace29e2e9ad41ad4128a633f85be 100644
--- a/chrome/browser/ui/panels/panel_browser_window.cc
+++ b/chrome/browser/ui/panels/panel_browser_window.cc
@@ -161,6 +161,19 @@ void PanelBrowserWindow::SetStarredState(bool is_starred) {
   // have starred state.
 }
 
+void PanelBrowserWindow::SetZoomIconState(ZoomController::ZoomIconState state) {
+  // Since panels don't have an Omnibox, they don't have a zoom icon.
+}
+
+void PanelBrowserWindow::SetZoomIconTooltipPercent(int zoom_percent) {
+  // Since panels don't have an Omnibox, they don't have a zoom icon.
+}
+
+void PanelBrowserWindow::ShowZoomBubble(int zoom_percent) {
+  // Since panels don't have an Omnibox, they don't have a zoom icon, so no
+  // bubble will appear from it.
+}
+
 void PanelBrowserWindow::EnterFullscreen(
       const GURL& url, FullscreenExitBubbleType type) {
   NOTIMPLEMENTED();