Added a rudimentary DOM, to assist with event dispatch.

runtime/embedders/openglui/common/input_handler.cc

Index: runtime/embedders/openglui/common/input_handler.cc
===================================================================
--- runtime/embedders/openglui/common/input_handler.cc	(revision 19252)
+++ runtime/embedders/openglui/common/input_handler.cc	(working copy)
@@ -14,39 +14,42 @@
                                 float x,
                                 float y) {
   const char *function = NULL;
+  // For now we just keep this simple. There are
+  // no click events or mouseover events.
   switch (event) {
     case kMotionDown:
-      function = "onMotionDown";
+      function = "onMouseDown";
       break;
     case kMotionUp:
-      function = "onMotionUp";
+      function = "onMouseUp";
       break;
     case kMotionMove:
-      function = "onMotionMove";
+      function = "onMouseMove";
       break;
     case kMotionCancel:
-      function = "onMotionCancel";
       break;
     case kMotionOutside:
-      function = "onMotionOutside";
       break;
     case kMotionPointerDown:
-      function = "onMotionPointerDown";
       break;
     case kMotionPointerUp:
-      function = "onMotionPointerUp";
       break;
     default:
       return -1;
   }
-  return vm_glue_->OnMotionEvent(function, when, x, y);
+  if (function == NULL) {
+    return 0;
+  } else {
+    return vm_glue_->OnMotionEvent(function, when, x, y);
+  }
 }
 
 int InputHandler::OnKeyEvent(KeyEvent event,
                              int64_t when,
-                             int32_t flags,
                              int32_t key_code,
-                             int32_t meta_state,
+                             bool isAltKeyDown,
+                             bool isCtrlKeyDown,
+                             bool isShiftKeyDown,
                              int32_t repeat) {
   const char *function = NULL;
   switch (event) {
@@ -62,7 +65,8 @@
     default:
       return -1;
   }
-  return vm_glue_->OnKeyEvent(function, when, flags, key_code,
-                              meta_state, repeat);
+  return vm_glue_->OnKeyEvent(function, when, key_code,
+                              isAltKeyDown, isCtrlKeyDown, isShiftKeyDown,
+                              repeat);
 }