Check for integer overflow when validating API function arguments.

chrome/browser/extensions/window_open_apitest.cc

Index: chrome/browser/extensions/window_open_apitest.cc
diff --git a/chrome/browser/extensions/window_open_apitest.cc b/chrome/browser/extensions/window_open_apitest.cc
index edd13b8c14f47924b619129367b2377ad0d22bb0..3cd160844d67efec784f5cc2832cf9081cb395e4 100644
--- a/chrome/browser/extensions/window_open_apitest.cc
+++ b/chrome/browser/extensions/window_open_apitest.cc
@@ -100,6 +100,10 @@ IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenFocus) {
 }
 #endif
 
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowArgumentsOverflow) {
+  ASSERT_TRUE(RunExtensionTest("window_open/argument_overflow")) << message_;
+}
+
 class WindowOpenPanelTest : public ExtensionApiTest {
   virtual void SetUpCommandLine(CommandLine* command_line) {
     ExtensionApiTest::SetUpCommandLine(command_line);