Add GetCaptionButtonHeightInDIPs() method

chrome/browser/ui/views/frame/desktop_browser_frame_aura.cc

Index: chrome/browser/ui/views/frame/desktop_browser_frame_aura.cc
diff --git a/chrome/browser/ui/views/frame/desktop_browser_frame_aura.cc b/chrome/browser/ui/views/frame/desktop_browser_frame_aura.cc
index b4b821cfeefcbfc23e1605aeecdf99f496aa22dc..c91f087bbae54880b9416a42e9fa6457518b7ff6 100644
--- a/chrome/browser/ui/views/frame/desktop_browser_frame_aura.cc
+++ b/chrome/browser/ui/views/frame/desktop_browser_frame_aura.cc
@@ -89,6 +89,10 @@ int DesktopBrowserFrameAura::GetMinimizeButtonOffset() const {
   return browser_desktop_window_tree_host_->GetMinimizeButtonOffset();
 }
 
+int DesktopBrowserFrameAura::GetMinimizeButtonHeight() const {
+  return browser_desktop_window_tree_host_->GetMinimizeButtonHeight();
+}
+
 bool DesktopBrowserFrameAura::ShouldSaveWindowPlacement() const {
   // The placement can always be stored.
   return true;