Internals: throw an exception when page height or width is 0.

third_party/WebKit/Source/core/testing/Internals.idl

Index: third_party/WebKit/Source/core/testing/Internals.idl
diff --git a/third_party/WebKit/Source/core/testing/Internals.idl b/third_party/WebKit/Source/core/testing/Internals.idl
index 5350003de5f7900ae26cc45407a867778debb6d3..fa9389c6257adfb6a2279ab8dd112ed0646c03dc 100644
--- a/third_party/WebKit/Source/core/testing/Internals.idl
+++ b/third_party/WebKit/Source/core/testing/Internals.idl
@@ -200,10 +200,10 @@
     unsigned long[] setMemoryCacheCapacities(unsigned long minDeadBytes, unsigned long maxDeadBytes, unsigned long totalBytes);
 
     DOMString counterValue(Element element);
-    long pageNumber(Element element, optional float pageWidth, optional float pageHeight);
+    [RaisesException] long pageNumber(Element element, optional float pageWidth = 800, optional float pageHeight = 600);
     DOMString[] shortcutIconURLs(Document document);
     DOMString[] allIconURLs(Document document);
-    long numberOfPages(optional double pageWidthInPixels, optional double pageHeightInPixels);
+    [RaisesException] long numberOfPages(optional double pageWidthInPixels = 800, optional double pageHeightInPixels = 600);
     [RaisesException] DOMString pageProperty(DOMString propertyName, long pageNumber);
     [RaisesException] DOMString pageSizeAndMarginsInPixels(long pageIndex, long width, long height, long marginTop, long marginRight, long marginBottom, long marginLeft);