Fix memory leak in filter tool

tools/filtermain.cpp

Index: tools/filtermain.cpp
===================================================================
--- tools/filtermain.cpp	(revision 9089)
+++ tools/filtermain.cpp	(working copy)
@@ -626,14 +626,14 @@
 
 
 static int filter_picture(const SkString& inFile, const SkString& outFile) {
-    SkPicture* inPicture = NULL;
+    SkAutoTDelete<SkPicture> inPicture;

[bungeman-skia, 2013/05/10 17:30:36]

SkPicture is SkRefCnt, it seems odd to SkAutoTDelete it. Did you mean
SkAutoTUnref? SkAutoTDelete kida-sorta works here since you're the one creating
the picture, but that's somewhat magic knowledge.

 
     SkFILEStream inStream(inFile.c_str());
     if (inStream.isValid()) {
-        inPicture = SkNEW_ARGS(SkPicture, (&inStream, NULL, &SkImageDecoder::DecodeMemory));
+        inPicture.reset(SkNEW_ARGS(SkPicture, (&inStream, NULL, &SkImageDecoder::DecodeMemory)));
     }
 
-    if (NULL == inPicture) {
+    if (NULL == inPicture.get()) {
         SkDebugf("Could not read file %s\n", inFile.c_str());
         return -1;
     }
@@ -715,6 +715,10 @@
 int tool_main(int argc, char** argv); // suppress a warning on mac
 
 int tool_main(int argc, char** argv) {
+#if SK_ENABLE_INST_COUNT
+    gPrintInstCount = true;
+#endif
+

[jvanverth1, 2013/05/10 14:34:46]

Did you mean to leave this in there?

[robertphillips, 2013/05/10 14:36:18]

Yep - when enabled it prints out leak info

     SkGraphics::Init();
 
     if (argc < 3) {