Bug 345031 - History>Home should be middle-clickable. patch by Michael Ventnor <ventnor.bugzilla@yahoo.com.au> and Ehsan Akhgari <ehsan.akhgari@gmail.com>, r=me, a=mconnor.

browser/base/content/browser-menubar.inc

@@ -356,7 +356,8 @@
                 </menuitem>
 
                 <menuitem label="&historyHomeCmd.label;"
-                          command="Browser:Home"
+                          oncommand="BrowserGoHome(event);"
+                          onclick="checkForMiddleClick(this, event);"
                           key="goHome"/>
                 <menuseparator id="startHistorySeparator" builder="start"/>
                 <menuseparator id="endHistorySeparator" builder="end"/>

browser/base/content/browser.js

@@ -1445,9 +1445,10 @@ function BrowserHome()
   loadOneOrMoreURIs(homePage);
 }
 
-function BrowserHomeClick(aEvent)
+function BrowserGoHome(aEvent)
 {
-  if (aEvent.button == 2) // right-click: do nothing
+  if (aEvent && "button" in aEvent &&
+      aEvent.button == 2) // right-click: do nothing
     return;
 
   var homePage = gHomeButton.getHomePage();

browser/base/content/browser.xul

@@ -247,7 +247,7 @@
                      ondragover="nsDragAndDrop.dragOver(event, homeButtonObserver);"
                      ondragdrop="nsDragAndDrop.drop(event, homeButtonObserver);"
                      ondragexit="nsDragAndDrop.dragExit(event, homeButtonObserver);"
-                     onclick="BrowserHomeClick(event);"/>
+                     onclick="BrowserGoHome(event);"/>
 
       <toolbaritem id="urlbar-container" align="center" flex="400" persist="width"
                    title="&locationItem.title;" class="chromeclass-location">