Remove unused WebFrame::swap() path for local frames.

Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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 6845 matching lines @@
 
     void reset() { m_webViewHelper.reset(); }
     WebFrame* mainFrame() const { return m_webViewHelper.webView()->mainFrame(); }
 
 private:
     FrameTestHelpers::WebViewHelper m_webViewHelper;
 };
 
 TEST_F(WebFrameSwapTest, SwapMainFrame)
 {
-    WebFrame* remoteFrame = WebRemoteFrame::create(0);
+    WebRemoteFrame* remoteFrame = WebRemoteFrame::create(nullptr);
     mainFrame()->swap(remoteFrame);
 
     FrameTestHelpers::TestWebFrameClient client;
-    WebFrame* localFrame = WebLocalFrame::create(&client);
+    WebLocalFrame* localFrame = WebLocalFrame::create(&client);
+    localFrame->initializeToReplaceRemoteFrame(remoteFrame);
     remoteFrame->swap(localFrame);
 
     // Finally, make sure an embedder triggered load in the local frame swapped
     // back in works.
     FrameTestHelpers::loadFrame(localFrame, m_baseURL + "subframe-hello.html");
     std::string content = localFrame->contentAsText(1024).utf8();
     EXPECT_EQ("hello", content);
 
     // Manually reset to break WebViewHelper's dependency on the stack allocated
     // TestWebFrameClient.
     reset();
     remoteFrame->close();
 }
 
 void swapAndVerifyFirstChildConsistency(const char* const message, WebFrame* parent, WebFrame* newChild)
 {
     SCOPED_TRACE(message);
     parent->firstChild()->swap(newChild);
 
     EXPECT_EQ(newChild, parent->firstChild());
     EXPECT_EQ(newChild->parent(), parent);
     EXPECT_EQ(newChild, parent->lastChild()->previousSibling()->previousSibling());
     EXPECT_EQ(newChild->nextSibling(), parent->lastChild()->previousSibling());
 }
 
 TEST_F(WebFrameSwapTest, SwapFirstChild)
 {
-    WebFrame* remoteFrame = WebRemoteFrame::create(0);
+    WebRemoteFrame* remoteFrame = WebRemoteFrame::create(nullptr);
     swapAndVerifyFirstChildConsistency("local->remote", mainFrame(), remoteFrame);
 
     FrameTestHelpers::TestWebFrameClient client;
-    WebFrame* localFrame = WebLocalFrame::create(&client);
+    WebLocalFrame* localFrame = WebLocalFrame::create(&client);
+    localFrame->initializeToReplaceRemoteFrame(remoteFrame);
     swapAndVerifyFirstChildConsistency("remote->local", mainFrame(), localFrame);
 
     // FIXME: This almost certainly fires more load events on the iframe element
     // than it should.
     // Finally, make sure an embedder triggered load in the local frame swapped
     // back in works.
     FrameTestHelpers::loadFrame(localFrame, m_baseURL + "subframe-hello.html");
     std::string content = localFrame->contentAsText(1024).utf8();
     EXPECT_EQ("hello", content);
 
@@ skipping 12 matching lines @@
     EXPECT_EQ(newChild, parent->lastChild()->previousSibling());
     EXPECT_EQ(newChild->parent(), parent);
     EXPECT_EQ(newChild, parent->firstChild()->nextSibling());
     EXPECT_EQ(newChild->previousSibling(), parent->firstChild());
     EXPECT_EQ(newChild, parent->lastChild()->previousSibling());
     EXPECT_EQ(newChild->nextSibling(), parent->lastChild());
 }
 
 TEST_F(WebFrameSwapTest, SwapMiddleChild)
 {
-    WebFrame* remoteFrame = WebRemoteFrame::create(0);
+    WebRemoteFrame* remoteFrame = WebRemoteFrame::create(nullptr);
     swapAndVerifyMiddleChildConsistency("local->remote", mainFrame(), remoteFrame);
 
     FrameTestHelpers::TestWebFrameClient client;
-    WebFrame* localFrame = WebLocalFrame::create(&client);
+    WebLocalFrame* localFrame = WebLocalFrame::create(&client);
+    localFrame->initializeToReplaceRemoteFrame(remoteFrame);
     swapAndVerifyMiddleChildConsistency("remote->local", mainFrame(), localFrame);
 
     // FIXME: This almost certainly fires more load events on the iframe element
     // than it should.
     // Finally, make sure an embedder triggered load in the local frame swapped
     // back in works.
     FrameTestHelpers::loadFrame(localFrame, m_baseURL + "subframe-hello.html");
     std::string content = localFrame->contentAsText(1024).utf8();
     EXPECT_EQ("hello", content);
 
     // Manually reset to break WebViewHelper's dependency on the stack allocated
     // TestWebFrameClient.
     reset();
     remoteFrame->close();
 }
 
 void swapAndVerifyLastChildConsistency(const char* const message, WebFrame* parent, WebFrame* newChild)
 {
     SCOPED_TRACE(message);
     parent->lastChild()->swap(newChild);
 
     EXPECT_EQ(newChild, parent->lastChild());
     EXPECT_EQ(newChild->parent(), parent);
     EXPECT_EQ(newChild, parent->firstChild()->nextSibling()->nextSibling());
     EXPECT_EQ(newChild->previousSibling(), parent->firstChild()->nextSibling());
 }
 
 TEST_F(WebFrameSwapTest, SwapLastChild)
 {
-    WebFrame* remoteFrame = WebRemoteFrame::create(0);
+    WebRemoteFrame* remoteFrame = WebRemoteFrame::create(nullptr);
     swapAndVerifyLastChildConsistency("local->remote", mainFrame(), remoteFrame);
 
     FrameTestHelpers::TestWebFrameClient client;
-    WebFrame* localFrame = WebLocalFrame::create(&client);
+    WebLocalFrame* localFrame = WebLocalFrame::create(&client);
+    localFrame->initializeToReplaceRemoteFrame(remoteFrame);
     swapAndVerifyLastChildConsistency("remote->local", mainFrame(), localFrame);
 
     // FIXME: This almost certainly fires more load events on the iframe element
     // than it should.
     // Finally, make sure an embedder triggered load in the local frame swapped
     // back in works.
     FrameTestHelpers::loadFrame(localFrame, m_baseURL + "subframe-hello.html");
     std::string content = localFrame->contentAsText(1024).utf8();
     EXPECT_EQ("hello", content);
 
@@ skipping 22 matching lines @@
     swapAndVerifySubframeConsistency("local->remote", targetFrame, remoteFrame);
 
     targetFrame = mainFrame()->firstChild()->nextSibling();
     EXPECT_TRUE(targetFrame);
 
     // Create child frames in the target frame before testing the swap.
     FrameTestHelpers::TestWebRemoteFrameClient remoteFrameClient;
     remoteFrame->createRemoteChild("", WebSandboxFlags::None, &remoteFrameClient);
 
     FrameTestHelpers::TestWebFrameClient client;
-    WebFrame* localFrame = WebLocalFrame::create(&client);
+    WebLocalFrame* localFrame = WebLocalFrame::create(&client);
+    localFrame->initializeToReplaceRemoteFrame(remoteFrame);
     swapAndVerifySubframeConsistency("remote->local", targetFrame, localFrame);
 
     // FIXME: This almost certainly fires more load events on the iframe element
     // than it should.
     // Finally, make sure an embedder triggered load in the local frame swapped
     // back in works.
     FrameTestHelpers::loadFrame(localFrame, m_baseURL + "subframe-hello.html");
     std::string content = localFrame->contentAsText(1024).utf8();
     EXPECT_EQ("hello", content);
 
@@ skipping 183 matching lines @@
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 
     // Neither should a page reload.
     localFrame->reload();
     EXPECT_EQ(4u, frameClient.provisionalLoadCount());
     EXPECT_FALSE(frameClient.wasLastProvisionalLoadATransition());
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 }
 
 } // namespace