Make plugin elements return false from canStartSelection.

third_party/WebKit/Source/core/dom/NodeTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/dom/Node.h"
 
 #include "core/editing/EditingTestBase.h"
 
 namespace blink {
 
@@ skipping 18 matching lines @@
     const char* bodyContent = "<div id=host><span id=one>one</span></div>";
     const char* shadowContent = "<a href='http://www.msn.com'><content></content></a>";
     setBodyContent(bodyContent);
     setShadowContent(shadowContent, "host");
     Node* one = document().getElementById("one");
 
     EXPECT_FALSE(one->canStartSelection());
     EXPECT_FALSE(one->firstChild()->canStartSelection());
 }
 
+TEST_F(NodeTest, canStartSelectionWithPlugin)
+{
+    const char* bodyContent = "<embed id=one>";
+    setBodyContent(bodyContent);
+    Node* one = document().getElementById("one");
+
+    EXPECT_FALSE(one->canStartSelection());
+}
+
 TEST_F(NodeTest, customElementState)
 {
     const char* bodyContent = "<div id=div></div>";
     setBodyContent(bodyContent);
     Element* div = document().getElementById("div");
     EXPECT_EQ(CustomElementState::Uncustomized, div->getCustomElementState());
     EXPECT_TRUE(div->isDefined());
     EXPECT_EQ(Node::V0NotCustomElement, div->getV0CustomElementState());
 
     div->setCustomElementState(CustomElementState::Undefined);
     EXPECT_EQ(CustomElementState::Undefined, div->getCustomElementState());
     EXPECT_FALSE(div->isDefined());
     EXPECT_EQ(Node::V0NotCustomElement, div->getV0CustomElementState());
 
     div->setCustomElementState(CustomElementState::Custom);
     EXPECT_EQ(CustomElementState::Custom, div->getCustomElementState());
     EXPECT_TRUE(div->isDefined());
     EXPECT_EQ(Node::V0NotCustomElement, div->getV0CustomElementState());
 }
 
 } // namespace blink