resources: remove most uses of GetResourcePath()

Going forward, we will standardize on GetResourceAsData(), which will
make it easier to run tests in environments without access to the
filesystem.

Also: GetResourceAsData() complains when a resource is missing.
This is usually an error.

Change-Id: Iaf70b71b0ca5ed8cd1a5538a60ef185ae8736188
Reviewed-on: https://skia-review.googlesource.com/82642
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/samplecode/SampleCowboy.cpp b/samplecode/SampleCowboy.cpp
index b1eec87..bd8f7c9 100644
--- a/samplecode/SampleCowboy.cpp
+++ b/samplecode/SampleCowboy.cpp
@@ -37,12 +37,13 @@
     };
 
     void onOnceBeforeDraw() override {
-        fPath = GetResourcePath("Cowboy.svg");
-        SkFILEStream svgStream(fPath.c_str());
-        if (!svgStream.isValid()) {
-            SkDebugf("file not found: \"path\"\n", fPath.c_str());
+        constexpr char path[] = "Cowboy.svg";
+        auto data = GetResourceAsData(path);
+        if (!data) {
+            SkDebugf("file not found: \"%s\"\n", path);
             return;
         }
+        SkMemoryStream svgStream(std::move(data));
 
         SkDOM xmlDom;
         if (!xmlDom.build(svgStream)) {
diff --git a/samplecode/SampleIdentityScale.cpp b/samplecode/SampleIdentityScale.cpp
index 2ec9112..ad23541 100644
--- a/samplecode/SampleIdentityScale.cpp
+++ b/samplecode/SampleIdentityScale.cpp
@@ -25,11 +25,10 @@
 class IdentityScaleView : public SampleView {
 public:
     IdentityScaleView(const char imageFilename[]) {
-      SkString resourcePath = GetResourcePath(imageFilename);
-      if (!decode_file(resourcePath.c_str(), &fBM)) {
-          fBM.allocN32Pixels(1, 1);
-          *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
-      }
+        if (!DecodeDataToBitmap(GetResourceAsData(imageFilename), &fBM)) {
+            fBM.allocN32Pixels(1, 1);
+            *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
+        }
     }
 
 protected:
diff --git a/samplecode/SampleSubpixelTranslate.cpp b/samplecode/SampleSubpixelTranslate.cpp
index 51b5ef6..7ce1885 100644
--- a/samplecode/SampleSubpixelTranslate.cpp
+++ b/samplecode/SampleSubpixelTranslate.cpp
@@ -24,15 +24,15 @@
     SubpixelTranslateView(const char imageFilename[],
                           float horizontalVelocity,
                           float verticalVelocity)
-      : fHorizontalVelocity(horizontalVelocity),
-        fVerticalVelocity(verticalVelocity) {
-      SkString resourcePath = GetResourcePath(imageFilename);
-      if (!decode_file(resourcePath.c_str(), &fBM)) {
-          fBM.allocN32Pixels(1, 1);
-          *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
-      }
-      fCurPos = SkPoint::Make(0,0);
-      fSize = 200;
+        : fHorizontalVelocity(horizontalVelocity)
+        , fVerticalVelocity(verticalVelocity)
+    {
+        if (!DecodeDataToBitmap(GetResourceAsData(imageFilename), &fBM)) {
+            fBM.allocN32Pixels(1, 1);
+            *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
+        }
+        fCurPos = SkPoint::Make(0,0);
+        fSize = 200;
     }
 
 protected: