Fix memory leak in GPU Picture optimization

R=jvanverth@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/265763008

git-svn-id: http://skia.googlecode.com/svn/trunk/src@14589 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/GrPictureUtils.h b/gpu/GrPictureUtils.h
index 8fdb3b8..c625298 100644
--- a/gpu/GrPictureUtils.h
+++ b/gpu/GrPictureUtils.h
@@ -45,6 +45,12 @@
 
     GPUAccelData(Key key) : INHERITED(key) { }
 
+    virtual ~GPUAccelData() {
+        for (int i = 0; i < fSaveLayerInfo.count(); ++i) {
+            SkDELETE(fSaveLayerInfo[i].fPaint);
+        }
+    }
+
     void addSaveLayerInfo(const SaveLayerInfo& info) {
         SkASSERT(info.fSaveLayerOpID < info.fRestoreOpID);
         *fSaveLayerInfo.push() = info;
diff --git a/gpu/SkGpuDevice.cpp b/gpu/SkGpuDevice.cpp
index 3119a9e..517f082 100644
--- a/gpu/SkGpuDevice.cpp
+++ b/gpu/SkGpuDevice.cpp
@@ -1913,7 +1913,7 @@
 void SkGpuDevice::EXPERIMENTAL_optimize(SkPicture* picture) {
     SkPicture::AccelData::Key key = GPUAccelData::ComputeAccelDataKey();
 
-    GPUAccelData* data = SkNEW_ARGS(GPUAccelData, (key));
+    SkAutoTUnref<GPUAccelData> data(SkNEW_ARGS(GPUAccelData, (key)));
 
     picture->EXPERIMENTAL_addAccelData(data);