suppress unaddr error at InProcessBrowserTest::AddBlankTabAndShow

TBR=sammc@chromium.org,blundell@chromium.org
BUG=313788

Review URL: https://codereview.chromium.org/341083006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278422 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/drmemory/suppressions.txt

@@ -604,3 +604,12 @@ npapi_test_plugin.dll!NP_Initialize
 *!content::PluginLib::NP_Initialize
 *!content::PluginThread::PluginThread
 *!content::PluginMain
+
+UNADDRESSABLE ACCESS
+name=http://crbug.com/313788
+*!InProcessBrowserTest::AddBlankTabAndShow
+*!InProcessBrowserTest::CreateBrowser
+*!*::RunTestOnMainThread
+*!InProcessBrowserTest::RunTestOnMainThreadLoop
+*!ChromeBrowserMainParts::PreMainMessageLoopRunImpl
+*!ChromeBrowserMainParts::PreMainMessageLoopRun