Don't put timers with ID == 0 into the global timer map.

testing/resources/bug_679649.in

Index: testing/resources/bug_679649.in
diff --git a/testing/resources/bug_679649.in b/testing/resources/bug_679649.in
new file mode 100644
index 0000000000000000000000000000000000000000..338f910c326570c4bdc124af2b1a79bd860c681c
--- /dev/null
+++ b/testing/resources/bug_679649.in
@@ -0,0 +1,80 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+  /AcroForm 6 0 R
+  /Names <</JavaScript 13 0 R>>
+>>
+endobj
+{{object 2 0}} <<
+  /Type /Pages
+  /Count 1
+  /Kids [4 0 R]
+>>
+endobj
+{{object 4 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+  /CropBox [0 0 612 792]
+  /Resources  <<>>
+>>
+endobj
+{{object 6 0}} <<
+  /DR <<
+    /Font <</Helv 7 0 R>>
+  >>
+  /DA (/Helv 0 Tf 0 g)
+  /Fields [5 0 R]
+>>
+endobj
+{{object 7 0}} <<
+  /Type /Font
+  /Subtype /Type1
+  /BaseFont /Helvetica
+  /Encoding /WinAnsiEncoding
+>>
+endobj
+{{object 8 0}} <<
+  /Type /XObject
+  /Subtype /Form
+  /FormType 1
+  /Matrix [1 0 0 1 0 0]
+  /BBox [0 0 75.907 28.472]
+  /Resources  <<
+    /Font <</FXF0 7 0 R>>
+  >>
+>>
+stream
+q
+Q
+
+
+endstream
+endobj
+{{object 11 0}} <<
+  /Type /Action
+  /S /JavaScript
+  /JS 50 0 R
+>>
+endobj
+{{object 13 0}} <<
+  /Names [(startDelay) 11 0 R]
+>>
+endobj
+{{object 50 0}} <<
+>>
+stream
+function ping() {
+  app.alert("ping");
+}
+var timer = app.setTimeOut("ping()", 100);
+app.clearTimeOut(timer);
+endstream
+endobj
+{{xref}}
+trailer <<
+  /Root 1 0 R
+>>
+{{startxref}}
+%%EOF