Add IndexedDB browser test that causes a crash.

content/browser/in_process_webkit/indexed_db_browsertest.cc

Index: content/browser/in_process_webkit/indexed_db_browsertest.cc
diff --git a/content/browser/in_process_webkit/indexed_db_browsertest.cc b/content/browser/in_process_webkit/indexed_db_browsertest.cc
index 35f60b2abbe5869d627aaab53181dfc3ed037a26..47153758e7a5410397b531030c828e4125fd6eea 100644
--- a/content/browser/in_process_webkit/indexed_db_browsertest.cc
+++ b/content/browser/in_process_webkit/indexed_db_browsertest.cc
@@ -9,6 +9,7 @@
 #include "base/scoped_temp_dir.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/test/in_process_browser_test.h"
 #include "chrome/test/testing_profile.h"
 #include "chrome/test/thread_test_helper.h"
@@ -126,3 +127,16 @@ IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTest, ClearLocalState) {
   ASSERT_FALSE(file_util::PathExists(temp_file_path_1));
   ASSERT_TRUE(file_util::PathExists(temp_file_path_2));
 }
+
+class IndexedDBBrowserTestWithGCExposed : public IndexedDBBrowserTest {
+ public:
+  virtual void SetUpCommandLine(CommandLine* command_line) {
+    command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose-gc");
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithGCExposed,
+                       DatabaseCallbacksTest) {
+  SimpleTest(
+      testUrl(FilePath(FILE_PATH_LITERAL("database_callbacks_first.html"))));
+}