SkPDF: remove margin foolishness

src/pdf/SkPDFDevice.h

Index: src/pdf/SkPDFDevice.h
diff --git a/src/pdf/SkPDFDevice.h b/src/pdf/SkPDFDevice.h
index 095bbe96379a1d21adf9b34859c85795174dcdb4..628546aeec77d47b142de56c89f80c75060f636a 100644
--- a/src/pdf/SkPDFDevice.h
+++ b/src/pdf/SkPDFDevice.h
@@ -131,22 +131,6 @@ public:
     void onDetachFromCanvas() override;
     SkImageInfo imageInfo() const override;
 
-    enum DrawingArea {
-        kContent_DrawingArea,  // Drawing area for the page content.
-        kMargin_DrawingArea,   // Drawing area for the margin content.
-    };
-
-    /** Sets the drawing area for the device. Subsequent draw calls are directed
-     *  to the specific drawing area (margin or content). The default drawing
-     *  area is the content drawing area.
-     *
-     *  Currently if margin content is drawn and then a complex (for PDF) xfer
-     *  mode is used, like SrcIn, Clear, etc, the margin content will get
-     *  clipped. A simple way to avoid the bug is to always draw the margin
-     *  content last.
-     */
-    void setDrawingArea(DrawingArea drawingArea);
-
     // PDF specific methods.
 
     /** Create the resource dictionary for this device. */
@@ -250,15 +234,9 @@ private:
 
     SkAutoTDelete<ContentEntry> fContentEntries;
     ContentEntry* fLastContentEntry;
-    SkAutoTDelete<ContentEntry> fMarginContentEntries;
-    ContentEntry* fLastMarginContentEntry;
-    DrawingArea fDrawingArea;
 
     const SkClipStack* fClipStack;
 
-    // Accessor and setter functions based on the current DrawingArea.
-    SkAutoTDelete<ContentEntry>* getContentEntries();
-
     // Glyph ids used for each font on this device.
     SkAutoTDelete<SkPDFGlyphSetMap> fFontGlyphUsage;
 
@@ -274,9 +252,6 @@ private:
                 SkPDFDocument* doc,
                 bool flip);
 
-    ContentEntry* getLastContentEntry();
-    void setLastContentEntry(ContentEntry* contentEntry);
-
     SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override;
 
     void init();