DM: paths as implict strings too.

dm/DMSrcSink.cpp

 #include "DMSrcSink.h"
 #include "SamplePipeControllers.h"
 #include "SkCommonFlags.h"
 #include "SkDocument.h"
 #include "SkMultiPictureDraw.h"
 #include "SkOSFile.h"
 #include "SkPictureRecorder.h"
 #include "SkRandom.h"
 #include "SkStream.h"
 
@@ skipping 13 matching lines @@
     return gm->getISize();
 }
 
 Name GMSrc::name() const {
     SkAutoTDelete<skiagm::GM> gm(fFactory(NULL));
     return gm->getName();
 }
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
-ImageSrc::ImageSrc(SkString path, int subsets) : fPath(path), fSubsets(subsets) {}
+ImageSrc::ImageSrc(Path path, int subsets) : fPath(path), fSubsets(subsets) {}
 
 Error ImageSrc::draw(SkCanvas* canvas) const {
     SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str()));
     if (!encoded) {
         return SkStringPrintf("Couldn't read %s.", fPath.c_str());
     }
     if (fSubsets == 0) {
         // Decode the full image.
         SkBitmap bitmap;
         if (!SkImageDecoder::DecodeMemory(encoded->data(), encoded->size(), &bitmap)) {
@@ skipping 51 matching lines @@
     if (fSubsets > 0) {
         name.appendf("-%d-subsets", fSubsets);
     }
     return name;
 }
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
 static const SkRect kSKPViewport = {0,0, 1000,1000};
 
-SKPSrc::SKPSrc(SkString path) : fPath(path) {}
+SKPSrc::SKPSrc(Path path) : fPath(path) {}
 
 Error SKPSrc::draw(SkCanvas* canvas) const {
     SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(fPath.c_str()));
     if (!stream) {
         return SkStringPrintf("Couldn't read %s.", fPath.c_str());
     }
     SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream));
     if (!pic) {
         return SkStringPrintf("Couldn't decode %s as a picture.", fPath.c_str());
     }
@@ skipping 264 matching lines @@
             surfaces.unrefAll();
             return "";
         }
         SkISize size() const SK_OVERRIDE { return fSize; }
         Name name() const SK_OVERRIDE { sk_throw(); return ""; }  // No one should be calling this.
     } proxy(fW, fH, pic, src.size());
     return fSink->draw(proxy, bitmap, stream);
 }
 
 }  // namespace DM