Split SkDevice into SkBaseDevice and SkBitmapDevice

experimental/PdfViewer/pdf_viewer_main.cpp

 #include "SkCanvas.h"
 #include "SkCommandLineFlags.h"
 #include "SkDevice.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkOSFile.h"
 #include "SkPicture.h"
 #include "SkStream.h"
 #include "SkTypeface.h"
@@ skipping 161 matching lines @@
 
 static bool render_page(const SkString& outputDir,
                         const SkString& inputFilename,
                         const SkPdfRenderer& renderer,
                         int page) {
     SkRect rect = renderer.MediaBox(page < 0 ? 0 :page);
 
     // Exercise all pdf codepaths as in normal rendering, but no actual bits are changed.
     if (!FLAGS_config.isEmpty() && strcmp(FLAGS_config[0], "nul") == 0) {
         SkBitmap bitmap;
-        SkAutoTUnref<SkDevice> device(SkNEW_ARGS(SkDevice, (bitmap)));
+        SkAutoTUnref<SkBaseDevice> device(SkNEW_ARGS(SkBitmapDevice, (bitmap)));
         SkNulCanvas canvas(device);
         renderer.renderPage(page < 0 ? 0 : page, &canvas, rect);
     } else {
         // 8888
         SkRect rect = renderer.MediaBox(page < 0 ? 0 :page);
 
         SkBitmap bitmap;
         SkScalar width = SkScalarMul(rect.width(),  SkDoubleToScalar(sqrt(FLAGS_DPI / 72.0)));
         SkScalar height = SkScalarMul(rect.height(),  SkDoubleToScalar(sqrt(FLAGS_DPI / 72.0)));
 
         rect = SkRect::MakeWH(width, height);
 
 #ifdef PDF_DEBUG_3X
         setup_bitmap(&bitmap, 3 * (int)SkScalarToDouble(width), 3 * (int)SkScalarToDouble(height));
 #else
         setup_bitmap(&bitmap, (int)SkScalarToDouble(width), (int)SkScalarToDouble(height));
 #endif
-        SkAutoTUnref<SkDevice> device;
+        SkAutoTUnref<SkBaseDevice> device;
         if (strcmp(FLAGS_config[0], "8888") == 0) {
-            device.reset(SkNEW_ARGS(SkDevice, (bitmap)));
+            device.reset(SkNEW_ARGS(SkBitmapDevice, (bitmap)));
         }
 #if SK_SUPPORT_GPU
         else if (strcmp(FLAGS_config[0], "gpu") == 0) {
             SkAutoTUnref<GrSurface> target;
             GrContext* gr = gContextFactory.get(GrContextFactory::kNative_GLContextType);
             if (gr) {
                 // create a render target to back the device
                 GrTextureDesc desc;
                 desc.fConfig = kSkia8888_GrPixelConfig;
                 desc.fFlags = kRenderTarget_GrTextureFlagBit;
@@ skipping 159 matching lines @@
     }
 
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif