[Views] Add a capability to the bubble delegate to be able to set the font of the title.

BUG=383947

Review URL: https://codereview.chromium.org/326963002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278045 0039d316-1c4b-4281-b951-d872f2087c98

ui/views/bubble/bubble_delegate.cc

@@ -5,6 +5,7 @@
 #include "ui/views/bubble/bubble_delegate.h"
 
 #include "ui/accessibility/ax_view_state.h"
+#include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/rect.h"
 #include "ui/native_theme/native_theme.h"
@@ -131,6 +132,9 @@ View* BubbleDelegateView::GetContentsView() {
 NonClientFrameView* BubbleDelegateView::CreateNonClientFrameView(
     Widget* widget) {
   BubbleFrameView* frame = new BubbleFrameView(margins());
+  // Note: In CreateBubble, the call to SizeToContents() will cause
+  // the relayout that this call requires.
+  frame->SetTitleFontList(GetTitleFontList());
   BubbleBorder::Arrow adjusted_arrow = arrow();
   if (base::i18n::IsRTL())
     adjusted_arrow = BubbleBorder::horizontal_mirror(adjusted_arrow);
@@ -277,6 +281,12 @@ gfx::Rect BubbleDelegateView::GetBubbleBounds() {
       GetPreferredSize(), adjust_if_offscreen_ && !anchor_minimized);
 }
 
+const gfx::FontList& BubbleDelegateView::GetTitleFontList() const {
+  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
+  return rb.GetFontList(ui::ResourceBundle::MediumFont);
+}
+
+
 void BubbleDelegateView::UpdateColorsFromTheme(const ui::NativeTheme* theme) {
   if (!color_explicitly_set_)
     color_ = theme->GetSystemColor(ui::NativeTheme::kColorId_DialogBackground);

ui/views/bubble/bubble_delegate.h

@@ -12,6 +12,7 @@
 #include "ui/views/widget/widget_observer.h"
 
 namespace gfx {
+class FontList;
 class Rect;
 }
 
@@ -117,6 +118,10 @@ class VIEWS_EXPORT BubbleDelegateView : public WidgetDelegateView,
   // Get bubble bounds from the anchor rect and client view's preferred size.
   virtual gfx::Rect GetBubbleBounds();
 
+  // Return a FontList to use for the title of the bubble.
+  // (The default is MediumFont).
+  virtual const gfx::FontList& GetTitleFontList() const;
+
   // View overrides:
   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
   virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) OVERRIDE;

ui/views/bubble/bubble_frame_view.cc

@@ -163,6 +163,10 @@ void BubbleFrameView::UpdateWindowTitle() {
   ResetWindowControls();
 }
 
+void BubbleFrameView::SetTitleFontList(const gfx::FontList& font_list) {
+  title_->SetFontList(font_list);
+}
+
 gfx::Insets BubbleFrameView::GetInsets() const {
   gfx::Insets insets = content_margins_;
   const int title_height = title_->text().empty() ? 0 :

ui/views/bubble/bubble_frame_view.h

@@ -12,6 +12,10 @@
 #include "ui/views/controls/button/button.h"
 #include "ui/views/window/non_client_view.h"
 
+namespace gfx {
+class FontList;
+}
+
 namespace views {
 
 class Label;
@@ -43,6 +47,10 @@ class VIEWS_EXPORT BubbleFrameView : public NonClientFrameView,
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
 
+  // Set the FontList to be used for the title of the bubble.
+  // Caller must arrange to update the layout to have the call take effect.
+  void SetTitleFontList(const gfx::FontList& font_list);
+
   // View overrides:
   virtual gfx::Insets GetInsets() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() const OVERRIDE;