Move unique name generation and tracking into //content.

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

 /*
  * Copyright (C) 2011, 2012 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 3201 matching lines @@
   webView->mainFrameImpl()->extractSmartClipData(cropRect, clipText, clipHtml);
 }
 
 class CreateChildCounterFrameClient
     : public FrameTestHelpers::TestWebFrameClient {
  public:
   CreateChildCounterFrameClient() : m_count(0) {}
   WebLocalFrame* createChildFrame(WebLocalFrame* parent,
                                   WebTreeScopeType,
                                   const WebString& name,
-                                  const WebString& uniqueName,
+                                  const WebString& fallbackName,
                                   WebSandboxFlags,
                                   const WebFrameOwnerProperties&) override;
 
   int count() const { return m_count; }
 
  private:
   int m_count;
 };
 
 WebLocalFrame* CreateChildCounterFrameClient::createChildFrame(
     WebLocalFrame* parent,
     WebTreeScopeType scope,
     const WebString& name,
-    const WebString& uniqueName,
+    const WebString& fallbackName,
     WebSandboxFlags sandboxFlags,
     const WebFrameOwnerProperties& frameOwnerProperties) {
   ++m_count;
   return TestWebFrameClient::createChildFrame(
-      parent, scope, name, uniqueName, sandboxFlags, frameOwnerProperties);
+      parent, scope, name, fallbackName, sandboxFlags, frameOwnerProperties);
 }
 
 TEST_P(WebViewTest, ChangeDisplayMode) {
   registerMockedHttpURLLoad("display_mode.html");
   WebView* webView =
       m_webViewHelper.initializeAndLoad(m_baseURL + "display_mode.html", true);
 
   std::string content =
       WebFrameContentDumper::dumpWebViewAsText(webView, 21).utf8();
   EXPECT_EQ("regular-ui", content);
@@ skipping 1176 matching lines @@
   EXPECT_FALSE(frameView->visualViewportSuppliesScrollbars());
   if (RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
     EXPECT_NE(nullptr,
               frameView->layoutViewportScrollableArea()->verticalScrollbar());
   } else {
     EXPECT_NE(nullptr, frameView->verticalScrollbar());
   }
 }
 
 }  // namespace blink