Backing out bc4b2d84f80a (bug 682017)

mobile/chrome/content/browser.js

@@ -182,6 +182,7 @@ var Browser = {
     /* handles web progress management for open browsers */
     Elements.browsers.webProgress = new Browser.WebProgress();
 
+    this.keySender = new ContentCustomKeySender(Elements.browsers);
     let mouseModule = new MouseModule();
     let gestureModule = new GestureModule(Elements.browsers);
     let scrollWheelModule = new ScrollwheelModule(Elements.browsers);
@@ -1972,6 +1973,52 @@ const ContentTouchHandler = {
   }
 };
 
+
+/** Watches for mouse events in chrome and sends them to content. */
+function ContentCustomKeySender(container) {
+  container.addEventListener("keypress", this, false);
+  container.addEventListener("keyup", this, false);
+  container.addEventListener("keydown", this, false);
+}
+
+ContentCustomKeySender.prototype = {
+  handleEvent: function handleEvent(aEvent) {
+    if (Elements.contentShowing.getAttribute("disabled") == "true")
+      return;
+
+    let browser = getBrowser();
+    if (browser && browser.active && browser.getAttribute("remote") == "true") {
+      aEvent.stopPropagation();
+      aEvent.preventDefault();
+
+      let fl = browser.QueryInterface(Ci.nsIFrameLoaderOwner).frameLoader;
+      fl.sendCrossProcessKeyEvent(aEvent.type,
+                                  aEvent.keyCode,
+                                  (aEvent.type != "keydown") ? aEvent.charCode : null,
+                                  this._parseModifiers(aEvent));
+    }
+  },
+
+  _parseModifiers: function _parseModifiers(aEvent) {
+    const masks = Ci.nsIDOMNSEvent;
+    let mval = 0;
+    if (aEvent.shiftKey)
+      mval |= masks.SHIFT_MASK;
+    if (aEvent.ctrlKey)
+      mval |= masks.CONTROL_MASK;
+    if (aEvent.altKey)
+      mval |= masks.ALT_MASK;
+    if (aEvent.metaKey)
+      mval |= masks.META_MASK;
+    return mval;
+  },
+
+  toString: function toString() {
+    return "[ContentCustomKeySender] { }";
+  }
+};
+
+
 /**
  * Utility class to handle manipulations of the identity indicators in the UI
  */
@@ -2870,6 +2917,7 @@ Tab.prototype = {
 
     let fl = browser.QueryInterface(Ci.nsIFrameLoaderOwner).frameLoader;
     fl.renderMode = Ci.nsIFrameLoader.RENDER_MODE_ASYNC_SCROLL;
+    fl.eventMode = Ci.nsIFrameLoader.EVENT_MODE_DONT_FORWARD_TO_CHILD;
 
     return browser;
   },

mobile/chrome/content/common-ui.js

@@ -816,6 +816,7 @@ var FormHelperUI = {
         if (focusedElement && focusedElement.localName == "browser")
           return;
 
+        Browser.keySender.handleEvent(aEvent);
         break;
 
       case "SizeChanged":