Remove PlatformWheelEvent and use WebMouseWheelEvent instead

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

Index: third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp b/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
index 566324a2f79252f364c24cdad03af5f233463b2f..0d41df291038ec32a64ca9c9e12b7f445fe353e3 100644
--- a/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebPluginContainerTest.cpp
@@ -48,6 +48,7 @@
 #include "public/platform/WebClipboard.h"
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebLayer.h"
+#include "public/platform/WebMouseWheelEvent.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebURLLoaderMockFactory.h"
 #include "public/web/WebCache.h"
@@ -456,12 +457,22 @@ class EventTestPlugin : public FakeWebPlugin {
   WebInputEventResult handleInputEvent(const WebInputEvent& event,
                                        WebCursorInfo&) override {
     m_lastEventType = event.type;
+    if (WebInputEvent::isMouseEventType(event.type) ||
+        event.type == WebInputEvent::MouseWheel) {
+      const WebMouseEvent& mouseEvent =
+          static_cast<const WebMouseEvent&>(event);
+      m_lastMouseEventLocation = IntPoint(mouseEvent.x, mouseEvent.y);
+    }
+
     return WebInputEventResult::HandledSystem;
   }
   WebInputEvent::Type getLastInputEventType() { return m_lastEventType; }
 
+  IntPoint getLastMouseEventLocation() { return m_lastMouseEventLocation; }
+
  private:
   WebInputEvent::Type m_lastEventType;
+  IntPoint m_lastMouseEventLocation;
 };
 
 TEST_F(WebPluginContainerTest, GestureLongPressReachesPlugin) {
@@ -515,6 +526,45 @@ TEST_F(WebPluginContainerTest, GestureLongPressReachesPlugin) {
             testPlugin->getLastInputEventType());
 }
 
+TEST_F(WebPluginContainerTest, MouseWheelEventTranslated) {
+  URLTestHelpers::registerMockedURLFromBaseURL(
+      WebString::fromUTF8(m_baseURL.c_str()),
+      WebString::fromUTF8("plugin_container.html"));
+  CustomPluginWebFrameClient<EventTestPlugin>
+      pluginWebFrameClient;  // Must outlive webViewHelper.
+  FrameTestHelpers::WebViewHelper webViewHelper;
+  WebView* webView = webViewHelper.initializeAndLoad(
+      m_baseURL + "plugin_container.html", true, &pluginWebFrameClient);
+  DCHECK(webView);
+  webView->settings()->setPluginsEnabled(true);
+  webView->resize(WebSize(300, 300));
+  webView->updateAllLifecyclePhases();
+  runPendingTasks();
+
+  WebElement pluginContainerOneElement =
+      webView->mainFrame()->document().getElementById(
+          WebString::fromUTF8("translated-plugin"));
+  WebPlugin* plugin = static_cast<WebPluginContainerImpl*>(
+                          pluginContainerOneElement.pluginContainer())
+                          ->plugin();
+  EventTestPlugin* testPlugin = static_cast<EventTestPlugin*>(plugin);
+
+  WebMouseWheelEvent event(WebInputEvent::MouseWheel,
+                           WebInputEvent::NoModifiers,
+                           WebInputEvent::TimeStampForTesting);
+
+  WebRect rect = pluginContainerOneElement.boundsInViewport();
+  event.x = rect.x + rect.width / 2;
+  event.y = rect.y + rect.height / 2;
+
+  webView->handleInputEvent(event);
+  runPendingTasks();
+
+  EXPECT_EQ(WebInputEvent::MouseWheel, testPlugin->getLastInputEventType());
+  EXPECT_EQ(rect.width / 2, testPlugin->getLastMouseEventLocation().x());
+  EXPECT_EQ(rect.height / 2, testPlugin->getLastMouseEventLocation().y());
+}
+
 // Verify that isRectTopmost returns false when the document is detached.
 TEST_F(WebPluginContainerTest, IsRectTopmostTest) {
   URLTestHelpers::registerMockedURLFromBaseURL(