Remove experimental/PdfViewer

experimental/PdfViewer/inc/SkPdfTokenLooper.h

-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkPdfTokenLooper_DEFINED
-#define SkPdfTokenLooper_DEFINED
-
-#include "SkPdfNativeTokenizer.h"
-// For SkPdfResult
-#include "SkPdfUtils.h"
-
-class SkCanvas;
-class SkPdfContext;
-
-/**
- *  An object which reads tokens from a tokenizer and draws it to an SkCanvas.
- *  FIXME (scroggo): Can this be an interface? See http://goo.gl/AXQtkH
- */
-class SkPdfTokenLooper {
-public:
-    /**
-     *  Create a looper with no parent.
-     *  @param tokenizer SkPdfNativeTokenizer for reading tokens.
-     *  @param pdfContext Context for drawing state.
-     *  @param canvas Target SkCanvas for drawing.
-     */
-    SkPdfTokenLooper(SkPdfNativeTokenizer* tokenizer,
-                     SkPdfContext* pdfContext,
-                     SkCanvas* canvas)
-        : fParent(NULL)
-        , fTokenizer(tokenizer)
-        , fPdfContext(pdfContext)
-        , fCanvas(canvas) {}
-
-    /**
-     *  Create a looper as a child of parent. It will share the
-     *  SkPdfContext, SkPdfTokenizer, and SkCanvas with its parent.
-     */
-    explicit SkPdfTokenLooper(SkPdfTokenLooper* parent)
-        : fParent(parent)
-        , fTokenizer(parent->fTokenizer)
-        , fPdfContext(parent->fPdfContext)
-        , fCanvas(parent->fCanvas) {}
-
-    virtual ~SkPdfTokenLooper() {}
-
-    /**
-     *  Consume a token, and draw to fCanvas as directed.
-     */
-    virtual SkPdfResult consumeToken(PdfToken& token) = 0;
-
-    /**
-     *  Consume all the tokens this looper can handle.
-     */
-    virtual void loop() = 0;
-
-protected:
-    // All are unowned pointers.
-    SkPdfTokenLooper*       fParent;
-    SkPdfNativeTokenizer*   fTokenizer;
-    SkPdfContext*           fPdfContext;
-    SkCanvas*               fCanvas;
-};
-
-#endif // SkPdfTokenLooper_DEFINED