Make SkStream *not* ref counted.

samplecode/SampleAnimator.cpp

Index: samplecode/SampleAnimator.cpp
diff --git a/samplecode/SampleAnimator.cpp b/samplecode/SampleAnimator.cpp
index 50b61bad93fe2a5992a516deb7e3a4099280795d..a7cc8851ea462bcac0353846f89a0a31060ab44d 100644
--- a/samplecode/SampleAnimator.cpp
+++ b/samplecode/SampleAnimator.cpp
@@ -51,15 +51,13 @@ void SkAnimatorView::setURIBase(const char dir[]) {
 }
 
 bool SkAnimatorView::decodeFile(const char path[]) {
-    SkFILEStream* is = new SkFILEStream(path);
-    SkAutoUnref aur(is);
-    return is->isValid() && this->decodeStream(is);
+    SkAutoTDelete<SkStream> is(SkStream::NewFromFile(path));
+    return is.get() != NULL && this->decodeStream(is);
 }
 
 bool SkAnimatorView::decodeMemory(const void* buffer, size_t size) {
-    SkMemoryStream* is = new SkMemoryStream(buffer, size);
-    SkAutoUnref aur(is);
-    return this->decodeStream(is);
+    SkMemoryStream is(buffer, size);
+    return this->decodeStream(&is);
 }
 
 static const SkDOMNode* find_nodeID(const SkDOM& dom,