Remove all callers of Profile::GetResourceContext().

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 5b05335815b502ec37051c90e26045ded7dfbfef..7a68a9238d0acb0d1341550cddc79a1acbbd215c 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -657,7 +657,8 @@ net::URLRequestContextGetter* TestingProfile::GetRequestContextForIsolatedApp(
   return GetRequestContext();
 }
 
-content::ResourceContext* TestingProfile::GetResourceContext() {
+content::ResourceContext* TestingProfile::GetResourceContext(
+    content::SiteInstance* instance) {
   if (!resource_context_.get())
     resource_context_.reset(new content::MockResourceContext());
   return resource_context_.get();
@@ -815,5 +816,3 @@ scoped_ptr<TestingProfile> TestingProfile::Builder::Build() {
       pref_service_.Pass(),
       user_cloud_policy_manager_.Pass()));
 }
-
-