Interactive autofill: Adds footnote view to accept legal documents in the UI.

ui/views/window/dialog_client_view.cc

Index: ui/views/window/dialog_client_view.cc
diff --git a/ui/views/window/dialog_client_view.cc b/ui/views/window/dialog_client_view.cc
index ba1698812e6e3c5b2bfad31c089d5eb218ff3496..4f462d1f03bad140b507c193faa47d8088e785c5 100644
--- a/ui/views/window/dialog_client_view.cc
+++ b/ui/views/window/dialog_client_view.cc
@@ -371,11 +371,9 @@ gfx::Size DialogClientView::GetPreferredSize() {
   }
   prefsize.Enlarge(0, button_height);
 
-  if (footnote_view_) {
-    gfx::Size footnote_size = footnote_view_->GetPreferredSize();
-    prefsize.Enlarge(0, footnote_size.height());
-    prefsize.set_width(std::max(prefsize.width(), footnote_size.width()));
-  }
+  const gfx::Size& footnote_size = GetFootnoteSize();
+  prefsize.Enlarge(0, footnote_size.height());
+  prefsize.set_width(std::max(prefsize.width(), footnote_size.width()));
 
   return prefsize;
 }
@@ -493,16 +491,16 @@ int DialogClientView::GetDialogButtonsAreaHeight() const {
       style_params_.button_vedge_margin;
 }
 
-int DialogClientView::GetFootnoteViewHeight() const {
-  return footnote_view_ ? footnote_view_->GetPreferredSize().height() : 0;
+gfx::Size DialogClientView::GetFootnoteSize() const {
+  return footnote_view_ && footnote_view_->visible() ?
+      footnote_view_->GetPreferredSize() : gfx::Size();
 }
 
 void DialogClientView::LayoutDialogButtons() {
   gfx::Rect lb = GetContentsBounds();
   gfx::Rect extra_bounds;
   int bottom_y = lb.bottom() - style_params_.button_vedge_margin;
-  if (footnote_view_)
-    bottom_y -= footnote_view_->GetPreferredSize().height();
+  bottom_y -= GetFootnoteSize().height();
 
   int button_height = GetButtonsHeight();
   if (cancel_button_) {
@@ -541,13 +539,13 @@ void DialogClientView::LayoutDialogButtons() {
 void DialogClientView::LayoutContentsView() {
   gfx::Rect lb = GetContentsBounds();
   lb.set_height(std::max(0, lb.height() - GetDialogButtonsAreaHeight() -
-                            GetFootnoteViewHeight()));
+                            GetFootnoteSize().height()));
   contents_view()->SetBoundsRect(lb);
   contents_view()->Layout();
 }
 
 void DialogClientView::LayoutFootnoteView() {
-  int height = GetFootnoteViewHeight();
+  int height = GetFootnoteSize().height();
   gfx::Rect bounds = GetContentsBounds();
   bounds.set_y(bounds.height() - height);
   bounds.set_height(height);