ash: Make the rows in IME and bluetooth tray-popups larger.

ash/system/tray/tray_views.h

Index: ash/system/tray/tray_views.h
diff --git a/ash/system/tray/tray_views.h b/ash/system/tray/tray_views.h
index aa9e24274f46ab0044abc9d893b62ecf848a56dc..8b61ffdc370fb793bcda9ecb8b731e7dcb914e36 100644
--- a/ash/system/tray/tray_views.h
+++ b/ash/system/tray/tray_views.h
@@ -8,6 +8,7 @@
 
 #include "ui/gfx/font.h"
 #include "ui/gfx/size.h"
+#include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/button/text_button.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/scroll_view.h"
@@ -174,6 +175,26 @@ class TrayPopupTextButtonContainer : public views::View {
   DISALLOW_COPY_AND_ASSIGN(TrayPopupTextButtonContainer);
 };
 
+// A ToggleImageButton with fixed size, paddings and hover effects. These
+// buttons are used in the header.
+class TrayPopupHeaderButton : public views::ToggleImageButton {
+ public:
+  TrayPopupHeaderButton(views::ButtonListener* listener,
+                        int enabled_resource_id,
+                        int disabled_resource_id);
+  virtual ~TrayPopupHeaderButton();
+
+ private:
+  // Overridden from views::View.
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void OnPaintBorder(gfx::Canvas* canvas) OVERRIDE;
+
+  // Overridden from views::CustomButton.
+  virtual void StateChanged() OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(TrayPopupHeaderButton);
+};
+
 // Creates a container for the various detailed popups. Clicking on the view
 // triggers the callback in ViewClickListener.
 views::View* CreateDetailedHeaderEntry(int string_id,