Bug 458478 - HW Zoom keys support for fennec. r=mark.finkle.

mobile/chrome/content/browser-ui.js

@@ -851,6 +851,8 @@ var BrowserUI = {
       case "cmd_actions":
       case "cmd_panel":
       case "cmd_sanitize":
+      case "cmd_zoomin":
+      case "cmd_zoomout":
         isSupported = true;
         break;
       default:
@@ -928,6 +930,12 @@ var BrowserUI = {
         this.show(mode);
         break;
       }
+      case "cmd_zoomin":
+        Browser.content.zoom(-1);
+        break;
+      case "cmd_zoomout":
+        Browser.content.zoom(1);
+        break;
     }
   }
 };

mobile/chrome/content/browser.xul

@@ -104,6 +104,8 @@
     <command id="cmd_actions" oncommand="CommandUpdater.doCommand(this.id);"/>
     <command id="cmd_panel" oncommand="CommandUpdater.doCommand(this.id);"/>
     <command id="cmd_sanitize" oncommand="CommandUpdater.doCommand(this.id);"/>
+    <command id="cmd_zoomin" oncommand="CommandUpdater.doCommand(this.id);"/>
+    <command id="cmd_zoomout" oncommand="CommandUpdater.doCommand(this.id);"/>
 
     <!-- scrolling -->
     <command id="cmd_scrollPageUp" oncommand="CommandUpdater.doCommand(this.id);"/>
@@ -138,6 +140,8 @@
     <!-- misc -->
     <key id="key_menu" keycode="VK_F4" command="cmd_menu"/>
     <key id="key_fullscreen" keycode="VK_F6" command="cmd_fullscreen"/>
+    <key id="key_zoomin" keycode="VK_F7" command="cmd_zoomin"/>
+    <key id="key_zoomout" keycode="VK_F8" command="cmd_zoomout"/>
 
     <!-- tabs -->
     <key id="key_newTab" key="T" modifiers="accel" command="cmd_newTab"/>

mobile/locales/en-US/chrome/shortcuts.properties

@@ -26,3 +26,5 @@ cmd_closeTab.name=Close current tab
 cmd_actions.name=Open Actions list
 cmd_panel.name=Open panel of stuff
 cmd_sanitize.name=Delete all saved personal information
+cmd_zoomin.name=Zoom In
+cmd_zoomout.name=Zoom Out