[gnome-calendar] project: remove GbScrolledWindow

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 33c7031164ab92f59442bf645702bc89ae0e6bbf
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Jun 17 18:18:38 2016 -0300

    project: remove GbScrolledWindow
    
    The max-content-height property was ported to GtkScrolledWindow,
    which means we don't have to use a custom class anymore.

 configure.ac             |    2 +-
 data/ui/window.ui        |    5 +-
 src/Makefile.am          |    2 -
 src/gb-scrolled-window.c |  280 ----------------------------------------------
 src/gb-scrolled-window.h |   39 -------
 5 files changed, 3 insertions(+), 325 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8ccc234..3dfe4cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -94,7 +94,7 @@ MAINTAINER_COMPILER_FLAGS=${MAINTAINER_COMPILER_FLAGS#*  }
 AC_SUBST(MAINTAINER_COMPILER_FLAGS)
 
 GLIB_MIN_VERSION=2.43.4
-GTK_MIN_VERSION=3.19.1
+GTK_MIN_VERSION=3.21.1
 ECAL_REQUIRED=3.13.90
 EDATASERVER_REQUIRED=3.17.1
 EDATASERVERUI_REQUIRED=3.17.1
diff --git a/data/ui/window.ui b/data/ui/window.ui
index 41a4b81..12cbf33 100644
--- a/data/ui/window.ui
+++ b/data/ui/window.ui
@@ -291,11 +291,10 @@
         <property name="orientation">vertical</property>
         <property name="spacing">6</property>
         <child>
-          <object class="GbScrolledWindow">
+          <object class="GtkScrolledWindow">
             <property name="visible">True</property>
             <property name="hscrollbar_policy">never</property>
-            <property name="min_content_height">80</property>
-            <property name="max_content_height">500</property>
+            <property name="max_content_height">450</property>
             <child>
               <object class="GtkListBox" id="calendar_listbox">
                 <property name="visible">True</property>
diff --git a/src/Makefile.am b/src/Makefile.am
index 597184d..3b5f79f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -20,8 +20,6 @@ BUILT_SOURCES =                                           \
 
 gnome_calendar_SOURCES =                                  \
     $(BUILT_SOURCES)                                      \
-    gb-scrolled-window.h                                  \
-    gb-scrolled-window.c                                  \
     e-cal-data-model-subscriber.h                         \
     e-cal-data-model-subscriber.c                         \
     e-cal-data-model.h                                    \