[evince] shell: Add more zoom shortcuts to the help overlay.

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 28c98fedc1de9f688a680334e88ca94ab3111e85
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Sun Nov 12 15:03:10 2017 +0100

    shell: Add more zoom shortcuts to the help overlay.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790253

 shell/help-overlay.ui |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/shell/help-overlay.ui b/shell/help-overlay.ui
index 68c569e..4542fa2 100644
--- a/shell/help-overlay.ui
+++ b/shell/help-overlay.ui
@@ -188,6 +188,27 @@
                 <property name="title" translatable="yes" context="shortcut window">Zoom out</property>
                 <property name="accelerator">&lt;Primary&gt;minus</property>
               </object>
+           </child>
+           <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">True</property>
+                <property name="title" translatable="yes" context="shortcut window">Fit page</property>
+                <property name="accelerator">f</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">True</property>
+                <property name="title" translatable="yes" context="shortcut window">Fit width</property>
+                <property name="accelerator">w</property>
+              </object>
+           </child>
+           <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">True</property>
+                <property name="title" translatable="yes" context="shortcut window">Automatic zoom</property>
+                <property name="accelerator">a</property>
+              </object>
             </child>
           </object>
         </child>