CRASH(client exception) on browser_tests with pattern mode

_From [zhao...@google.com](https://code.google.com/u/106321947286816917100/) on May 07, 2013 11:29:15_

http://build.chromium.org/p/chromium.fyi/builders/Windows%20Browser%20%28DrMemory%29%20%282%29/builds/9540/steps/memory%20test%3A%20browser_tests/logs/stdio [==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from AdViewTest, where TypeParam =
[ RUN ] AdViewTest.ChangeAdNetworkValue
[3380:1928:0507/063647:3505389:WARNING:chrome_browser_main_win.cc(297)] Command line too long for RegisterApplicationRestart
~~Dr.M~~ WARNING: application is missing line number information.
[3836:3880:0507/063700:ERROR:power_monitor_win.cc(33)] Cannot create windows on non-UI thread, power monitor disabled!
[3836:3880:0507/063702:ERROR:renderer_main.cc(212)] Running without renderer sandbox
[3380:1928:0507/063702:3520692:ERROR:textfield.h(162)] NOT IMPLEMENTED
[3836:3880:0507/063717:ERROR:singleton_hwnd.cc(24)] Cannot create windows on non-UI thread!
HTTP server started on 127.0.0.1:49657...
sending server_data: {"host": "127.0.0.1", "port": 49657} (36 bytes)

[3836:3880:0507/063723:INFO:webkit_glue.cc(260)] WebFrame LEAKED 1 TIMES
LEAK: 3 RenderObject
LEAK: 1 Page
LEAK: 1 Frame
LEAK: 4 WebCoreNode
Note: Google Test filter = SystemInfoMemoryApiTest.Memory

_Original issue: http://code.google.com/p/drmemory/issues/detail?id=1218_