DevTools: handle gesture tap event while in inspecting element mode.

Source/web/WebDevToolsAgentImpl.cpp

 /*
  * Copyright (C) 2010-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 446 matching lines @@
 void WebDevToolsAgentImpl::webViewResized(const WebSize& size)
 {
     if (m_metricsSupport)
         m_metricsSupport->webViewResized();
     if (InspectorController* ic = inspectorController())
         ic->webViewResized(m_metricsSupport ? IntSize(size.width, size.height) : IntSize());
 }
 
 bool WebDevToolsAgentImpl::handleInputEvent(WebCore::Page* page, const WebInputEvent& inputEvent)
 {
+    if (!m_attached)
+        return false;
+
     InspectorController* ic = inspectorController();
     if (!ic)
         return false;
 
+    if (WebInputEvent::isGestureEventType(inputEvent.type) && inputEvent.type == WebInputEvent::GestureTap) {
+        // Only let GestureTab in (we only need it and we know PlatformGestureEventBuilder supports it).
+        PlatformGestureEvent gestureEvent = PlatformGestureEventBuilder(page->mainFrame()->view(), *static_cast<const WebGestureEvent*>(&inputEvent));
+        return ic->handleGestureEvent(page->mainFrame(), gestureEvent);
+    }
     if (WebInputEvent::isMouseEventType(inputEvent.type) && inputEvent.type != WebInputEvent::MouseEnter) {
         // PlatformMouseEventBuilder does not work with MouseEnter type, so we filter it out manually.
         PlatformMouseEvent mouseEvent = PlatformMouseEventBuilder(page->mainFrame()->view(), *static_cast<const WebMouseEvent*>(&inputEvent));
         return ic->handleMouseEvent(page->mainFrame(), mouseEvent);
     }
     if (WebInputEvent::isTouchEventType(inputEvent.type)) {
         PlatformTouchEvent touchEvent = PlatformTouchEventBuilder(page->mainFrame()->view(), *static_cast<const WebTouchEvent*>(&inputEvent));
         return ic->handleTouchEvent(page->mainFrame(), touchEvent);
     }
     return false;
@@ skipping 270 matching lines @@
         || commandName == InspectorBackendDispatcher::commandNames[InspectorBackendDispatcher::kProfiler_getCPUProfileCmd]
         || commandName == InspectorBackendDispatcher::commandNames[InspectorBackendDispatcher::kHeapProfiler_getHeapSnapshotCmd];
 }
 
 void WebDevToolsAgent::processPendingMessages()
 {
     PageScriptDebugServer::shared().runPendingTasks();
 }
 
 } // namespace WebKit