Fix 3 more leaks in WebPluginContainerTests.

Source/web/tests/WebPluginContainerTest.cpp

Index: Source/web/tests/WebPluginContainerTest.cpp
diff --git a/Source/web/tests/WebPluginContainerTest.cpp b/Source/web/tests/WebPluginContainerTest.cpp
index 898bae924d7435a2c028415649cd87a9358ac6f5..d42df5345541324848ec384263889fd9732f45a6 100644
--- a/Source/web/tests/WebPluginContainerTest.cpp
+++ b/Source/web/tests/WebPluginContainerTest.cpp
@@ -208,8 +208,9 @@ TEST_F(WebPluginContainerTest, PrintAllPages)
 TEST_F(WebPluginContainerTest, LocalToWindowPointTest)
 {
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("plugin_container.html"));
+    TestPluginWebFrameClient pluginWebFrameClient; // Must outlive webViewHelper.
     FrameTestHelpers::WebViewHelper webViewHelper;
-    WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "plugin_container.html", true, new TestPluginWebFrameClient());
+    WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "plugin_container.html", true, &pluginWebFrameClient);
     ASSERT(webView);
     webView->settings()->setPluginsEnabled(true);
     webView->resize(WebSize(300, 300));
@@ -323,8 +324,9 @@ TEST_F(WebPluginContainerTest, GestureLongPressReachesPlugin)
     URLTestHelpers::registerMockedURLFromBaseURL(
         WebString::fromUTF8(m_baseURL.c_str()),
         WebString::fromUTF8("plugin_container.html"));
+    EventTestPluginWebFrameClient pluginWebFrameClient; // Must outlive webViewHelper.
     FrameTestHelpers::WebViewHelper webViewHelper;
-    WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "plugin_container.html", true, new EventTestPluginWebFrameClient());
+    WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "plugin_container.html", true, &pluginWebFrameClient);
     ASSERT(webView);
     webView->settings()->setPluginsEnabled(true);
     webView->resize(WebSize(300, 300));
@@ -416,8 +418,9 @@ TEST_F(WebPluginContainerTest, TopmostAfterDetachTest)
     };
 
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(m_baseURL.c_str()), WebString::fromUTF8("plugin_container.html"));
+    TopmostPluginWebFrameClient pluginWebFrameClient; // Must outlive webViewHelper.
     FrameTestHelpers::WebViewHelper webViewHelper;
-    WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "plugin_container.html", true, new TopmostPluginWebFrameClient());
+    WebView* webView = webViewHelper.initializeAndLoad(m_baseURL + "plugin_container.html", true, &pluginWebFrameClient);
     ASSERT(webView);
     webView->settings()->setPluginsEnabled(true);
     webView->resize(WebSize(300, 300));