Remove stylesheet injection from Blink.

Source/core/page/InjectedStyleSheets.h

Index: Source/core/page/InjectedStyleSheets.h
diff --git a/Source/core/page/InjectedStyleSheets.h b/Source/core/page/InjectedStyleSheets.h
deleted file mode 100644
index d1deb5bc1b0db1d350a28f70b4e572826abc8a22..0000000000000000000000000000000000000000
--- a/Source/core/page/InjectedStyleSheets.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2009 Apple Inc. All rights reserved.
- * Copyright 2014 The Chromium Authors. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef InjectedStyleSheets_h
-#define InjectedStyleSheets_h
-
-#include "wtf/Vector.h"
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-enum StyleInjectionTarget { InjectStyleInAllFrames, InjectStyleInTopFrameOnly };
-
-class InjectedStyleSheetEntry {
-    WTF_MAKE_FAST_ALLOCATED(InjectedStyleSheetEntry);
-public:
-    InjectedStyleSheetEntry(const String& source, const Vector<String>& whitelist, StyleInjectionTarget injectedFrames)
-        : m_source(source)
-        , m_whitelist(whitelist)
-        , m_injectedFrames(injectedFrames)
-    {
-    }
-
-    const String& source() const { return m_source; }
-    const Vector<String>& whitelist() const { return m_whitelist; }
-    StyleInjectionTarget injectedFrames() const { return m_injectedFrames; }
-
-private:
-    String m_source;
-    Vector<String> m_whitelist;
-    StyleInjectionTarget m_injectedFrames;
-};
-
-using InjectedStyleSheetEntryVector = Vector<OwnPtr<InjectedStyleSheetEntry>>;
-
-class InjectedStyleSheets {
-public:
-    static InjectedStyleSheets& instance();
-
-    void add(const String& source, const Vector<String>& whitelist, StyleInjectionTarget);
-    void removeAll();
-
-    const InjectedStyleSheetEntryVector& entries() const { return m_entries; }
-
-private:
-    InjectedStyleSheets() { }
-    void invalidateInjectedStyleSheetCacheInAllFrames();
-
-    InjectedStyleSheetEntryVector m_entries;
-};
-
-} // namespace blink
-
-#endif // InjectedStyleSheets_h