PageInfo bubble: Use the non-client view's window title and close button.

ui/views/bubble/bubble_dialog_delegate.cc

Index: ui/views/bubble/bubble_dialog_delegate.cc
diff --git a/ui/views/bubble/bubble_dialog_delegate.cc b/ui/views/bubble/bubble_dialog_delegate.cc
index 5c9d89be7769c3c5103762059a3e145cb599d7d7..640bfd3eeeb7c80822dac429de9ef88fd4a608f0 100644
--- a/ui/views/bubble/bubble_dialog_delegate.cc
+++ b/ui/views/bubble/bubble_dialog_delegate.cc
@@ -102,9 +102,7 @@ ClientView* BubbleDialogDelegateView::CreateClientView(Widget* widget) {
 
 NonClientFrameView* BubbleDialogDelegateView::CreateNonClientFrameView(
     Widget* widget) {
-  BubbleFrameView* frame = new BubbleFrameView(
-      gfx::Insets(kPanelVertMargin, kPanelHorizMargin, 0, kPanelHorizMargin),
-      margins());
+  BubbleFrameView* frame = new BubbleFrameView(title_margins(), margins());
   // Note: In CreateBubble, the call to SizeToContents() will cause
   // the relayout that this call requires.
   frame->SetTitleFontList(GetTitleFontList());
@@ -216,6 +214,7 @@ BubbleDialogDelegateView::BubbleDialogDelegateView(View* anchor_view,
                kPanelHorizMargin,
                kPanelVertMargin,
                kPanelHorizMargin),
+      title_margins_(kPanelVertMargin, kPanelHorizMargin, 0, kPanelHorizMargin),
       accept_events_(true),
       border_accepts_events_(true),
       adjust_if_offscreen_(true),