Suppress leaks in WebCore::V8PerIsolateData::ensureDomInJSContext.

They are intentional.

TBR=rafaelw@chromium.org
BUG=358014

Review URL: https://codereview.chromium.org/213833007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@260422 0039d316-1c4b-4281-b951-d872f2087c98

tools/lsan/suppressions.txt

@@ -61,6 +61,9 @@ leak:WebCore::V8WindowShell::initializeIfNeeded
 leak:WebCore::*::*GetterCallback
 leak:WebCore::CSSComputedStyleDeclaration::create
 
+# crbug.com/358014
+leak:WebCore::V8PerIsolateData::ensureDomInJSContext
+
 # http://crbug.com/356785
 leak:content::RenderViewImplTest_DecideNavigationPolicyForWebUI_Test::TestBody