Fix process reuse for dedicated processes when over process limit.

content/browser/child_process_security_policy_impl.cc

Index: content/browser/child_process_security_policy_impl.cc
diff --git a/content/browser/child_process_security_policy_impl.cc b/content/browser/child_process_security_policy_impl.cc
index a9b54d8cfe3f82ccdb0085d3234220242e539a10..210a3c3c7cb5c9e7c2c9ab5e7c957a6a69c6cbc9 100644
--- a/content/browser/child_process_security_policy_impl.cc
+++ b/content/browser/child_process_security_policy_impl.cc
@@ -268,6 +268,20 @@ class ChildProcessSecurityPolicyImpl::SecurityState {
     origin_lock_ = gurl;
   }
 
+  ChildProcessSecurityPolicyImpl::CheckOriginLockResult CheckOriginLock(
+      const GURL& gurl) {
+    if (origin_lock_.is_empty())
+      return ChildProcessSecurityPolicyImpl::CheckOriginLockResult::NO_LOCK;
+
+    if (origin_lock_ == gurl) {
+      return ChildProcessSecurityPolicyImpl::CheckOriginLockResult::
+          HAS_EQUAL_LOCK;
+    }
+
+    return ChildProcessSecurityPolicyImpl::CheckOriginLockResult::
+        HAS_WRONG_LOCK;
+  }
+
   bool has_web_ui_bindings() const {
     return enabled_bindings_ & BINDINGS_POLICY_WEB_UI;
   }
@@ -1025,6 +1039,16 @@ void ChildProcessSecurityPolicyImpl::LockToOrigin(int child_id,
   state->second->LockToOrigin(gurl);
 }
 
+ChildProcessSecurityPolicyImpl::CheckOriginLockResult
+ChildProcessSecurityPolicyImpl::CheckOriginLock(int child_id,
+                                                const GURL& site_url) {
+  base::AutoLock lock(lock_);
+  SecurityStateMap::iterator state = security_state_.find(child_id);
+  if (state == security_state_.end())
+    return ChildProcessSecurityPolicyImpl::CheckOriginLockResult::NO_LOCK;
+  return state->second->CheckOriginLock(site_url);
+}
+
 void ChildProcessSecurityPolicyImpl::GrantPermissionsForFileSystem(
     int child_id,
     const std::string& filesystem_id,