GTK: More signal macro usage.

chrome/browser/gtk/tabs/tab_renderer_gtk.h

Index: chrome/browser/gtk/tabs/tab_renderer_gtk.h
diff --git a/chrome/browser/gtk/tabs/tab_renderer_gtk.h b/chrome/browser/gtk/tabs/tab_renderer_gtk.h
index 912b3297aa80df1ba8ef28026a3155b3b22ccf91..e666506fd818eb1709f43f3d661f86639237b4e9 100644
--- a/chrome/browser/gtk/tabs/tab_renderer_gtk.h
+++ b/chrome/browser/gtk/tabs/tab_renderer_gtk.h
@@ -9,6 +9,7 @@
 #include <map>
 
 #include "app/animation.h"
+#include "app/gtk_signal.h"
 #include "app/slide_animation.h"
 #include "base/basictypes.h"
 #include "base/string16.h"
@@ -222,12 +223,12 @@ class TabRendererGtk : public AnimationDelegate,
   std::wstring GetTitle() const;
 
   // enter-notify-event handler that signals when the mouse enters the tab.
-  static gboolean OnEnterNotifyEvent(GtkWidget* widget, GdkEventCrossing* event,
-                                     TabRendererGtk* tab);
+  CHROMEGTK_CALLBACK_1(TabRendererGtk, gboolean, OnEnterNotifyEvent,
+                       GdkEventCrossing*);
 
   // leave-notify-event handler that signals when the mouse enters the tab.
-  static gboolean OnLeaveNotifyEvent(GtkWidget* widget, GdkEventCrossing* event,
-                                     TabRendererGtk* tab);
+  CHROMEGTK_CALLBACK_1(TabRendererGtk, gboolean, OnLeaveNotifyEvent,
+                       GdkEventCrossing*);
 
  private:
   class FavIconCrashAnimation;
@@ -350,20 +351,18 @@ class TabRendererGtk : public AnimationDelegate,
   double GetThrobValue();
 
   // Handles the clicked signal for the close button.
-  static void OnCloseButtonClicked(GtkWidget* widget, TabRendererGtk* tab);
+  CHROMEGTK_CALLBACK_0(TabRendererGtk, void, OnCloseButtonClicked);
 
   // Handles middle clicking the close button.
-  static gboolean OnCloseButtonMouseRelease(GtkWidget* widget,
-                                            GdkEventButton* event,
-                                            TabRendererGtk* tab);
+  CHROMEGTK_CALLBACK_1(TabRendererGtk, gboolean, OnCloseButtonMouseRelease,
+                       GdkEventButton*);
 
   // expose-event handler that redraws the tab.
-  static gboolean OnExposeEvent(GtkWidget* widget, GdkEventExpose* event,
-                                TabRendererGtk* tab);
+  CHROMEGTK_CALLBACK_1(TabRendererGtk, gboolean, OnExposeEvent,
+                       GdkEventExpose*);
 
   // size-allocate handler used to update the current bounds of the tab.
-  static void OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation,
-                             TabRendererGtk* tab);
+  CHROMEGTK_CALLBACK_1(TabRendererGtk, void, OnSizeAllocate, GtkAllocation*);
 
   // TODO(jhawkins): Move to TabResources.
   static void InitResources();