Implement link selection on alt+mouse drag.

third_party/WebKit/Source/web/tests/FrameTestHelpers.cpp

 /*
  * Copyright (C) 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 132 matching lines @@
     frame->reload(true);
     pumpPendingRequestsForFrameToLoad(frame);
 }
 
 void pumpPendingRequestsForFrameToLoad(WebFrame* frame)
 {
     Platform::current()->currentThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, bind(&runServeAsyncRequestsTask, testClientForFrame(frame)));
     testing::enterRunLoop();
 }
 
+WebMouseEvent createMouseEvent(WebInputEvent::Type type, WebMouseEvent::Button button, const IntPoint& point, int modifiers)
+{
+    WebMouseEvent result;
+    result.type = type;
+    result.x = result.windowX = result.globalX = point.x();
+    result.y = result.windowX = result.globalX = point.y();
+    result.modifiers = modifiers;
+    result.button = button;
+    result.clickCount = 1;
+    return result;
+}
+
 WebLocalFrame* createLocalChild(WebRemoteFrame* parent, const WebString& name, WebFrameClient* client, WebFrame* previousSibling, const WebFrameOwnerProperties& properties)
 {
     if (!client)
         client = defaultWebFrameClient();
 
     return parent->createLocalChild(WebTreeScopeType::Document, name, nameToUniqueName(name), WebSandboxFlags::None, client, previousSibling, properties, nullptr);
 }
 
 WebRemoteFrame* createRemoteChild(WebRemoteFrame* parent, WebRemoteFrameClient* client, const WebString& name)
 {
@@ skipping 126 matching lines @@
 }
 
 void TestWebViewClient::initializeLayerTreeView()
 {
     m_layerTreeView = adoptPtr(Platform::current()->unitTestSupport()->createLayerTreeViewForTesting());
     ASSERT(m_layerTreeView);
 }
 
 } // namespace FrameTestHelpers
 } // namespace blink