Move existing kSitePerProcess checks to a policy-oracle object

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index e1ddc2d258cd18e78165b110b6e794af4dd337d9..04d954e6351a49ebb4844ce8859c0f219b04abfc 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -32,6 +32,7 @@
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
+#include "content/public/common/content_switches.h"
 #include "content/public/test/test_utils.h"
 #include "net/base/filename_util.h"
 #include "net/cookies/cookie_store.h"
@@ -742,6 +743,15 @@ void RunTaskAndWaitForInterstitialDetach(content::WebContents* web_contents,
   loop_runner->Run();
 }
 
+void IsolateAllSitesForTesting(base::CommandLine* command_line) {
+  command_line->AppendSwitch(switches::kSitePerProcess);
+}
+
+bool AreAllSitesIsolatedForTesting() {

[Charlie Reis, 2015/07/21 16:58:24]

nit: Move above IsolateAllSitesForTesting so they're in the same order as .h
file.

[ncarter (slow), 2015/07/22 23:29:08]

Done.

+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kSitePerProcess);
+}
+
 bool WaitForRenderFrameReady(RenderFrameHost* rfh) {
   if (!rfh)
     return false;