Revert "resources: remove most uses of GetResourcePath()"

This reverts commit 5093a539def3ae09df324018f2343827009b2e05.

Reason for revert: google3 seems broken

Original change's description:
> 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>

TBR=halcanary@google.com,scroggo@google.com

Change-Id: Ic5a7c0167c995a672e6b06dc92abe00564432214
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/83001
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/samplecode/SampleIdentityScale.cpp b/samplecode/SampleIdentityScale.cpp
index ad23541..2ec9112 100644
--- a/samplecode/SampleIdentityScale.cpp
+++ b/samplecode/SampleIdentityScale.cpp
@@ -25,10 +25,11 @@
 class IdentityScaleView : public SampleView {
 public:
     IdentityScaleView(const char imageFilename[]) {
-        if (!DecodeDataToBitmap(GetResourceAsData(imageFilename), &fBM)) {
-            fBM.allocN32Pixels(1, 1);
-            *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
-        }
+      SkString resourcePath = GetResourcePath(imageFilename);
+      if (!decode_file(resourcePath.c_str(), &fBM)) {
+          fBM.allocN32Pixels(1, 1);
+          *(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
+      }
     }
 
 protected: