Move SafeBrowsingUIManager::UnsafeResource to security_interstitials namespace

components/security_interstitials/core/unsafe_resource.h

Index: components/security_interstitials/core/unsafe_resource.h
diff --git a/components/security_interstitials/core/unsafe_resource.h b/components/security_interstitials/core/unsafe_resource.h
new file mode 100644
index 0000000000000000000000000000000000000000..74f10acfbd82a192e79f16fa4520527aea4bebf7
--- /dev/null
+++ b/components/security_interstitials/core/unsafe_resource.h
@@ -0,0 +1,74 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_SECURITY_INTERSTITIALS_CORE_UNSAFE_RESOURCE_H_
+#define COMPONENTS_SECURITY_INTERSTITIALS_CORE_UNSAFE_RESOURCE_H_
+
+#include <vector>
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
+#include "components/safe_browsing_db/hit_report.h"
+#include "components/safe_browsing_db/util.h"
+#include "url/gurl.h"
+
+namespace content {
+class NavigationEntry;
+class WebContents;
+}  // namespace content
+
+namespace security_interstitials {
+
+// Structure that passes parameters between the IO and UI thread when
+// interacting with the safe browsing blocking page.
+struct UnsafeResource {
+// Passed a boolean indicating whether or not it is OK to proceed with

[estark, 2016/11/29 22:18:30]

Does this need `git cl format`? I'd expect the struct fields to be indented.

[Jialiu Lin, 2016/11/30 23:04:00]

done.

+// loading an URL.
+typedef base::Callback<void(bool /*proceed*/)> UrlCheckCallback;
+
+UnsafeResource();
+UnsafeResource(const UnsafeResource& other);
+~UnsafeResource();
+
+// Returns true if this UnsafeResource is a main frame load that was blocked
+// while the navigation is still pending. Note that a main frame hit may not
+// be blocking, eg. client side detection happens after the load is
+// committed.
+bool IsMainPageLoadBlocked() const;
+
+// Returns the NavigationEntry for this resource (for a main frame hit) or
+// for the page which contains this resource (for a subresource hit).
+// This method must only be called while the UnsafeResource is still
+// "valid".
+// I.e,
+//   For MainPageLoadBlocked resources, it must not be called if the load
+//   was aborted (going back or replaced with a different navigation),
+//   or resumed (proceeded through warning or matched whitelist).
+//   For non-MainPageLoadBlocked resources, it must not be called if any
+//   other navigation has committed (whether by going back or unrelated
+//   navigations), though a pending navigation is okay.
+content::NavigationEntry* GetNavigationEntryForResource() const;
+
+// Helper to build a getter for WebContents* from render frame id.
+static base::Callback<content::WebContents*(void)> GetWebContentsGetter(
+    int render_process_host_id,
+    int render_frame_id);
+
+GURL url;
+GURL original_url;
+std::vector<GURL> redirect_urls;
+bool is_subresource;
+bool is_subframe;
+safe_browsing::SBThreatType threat_type;
+safe_browsing::ThreatMetadata threat_metadata;
+UrlCheckCallback callback;  // This is called back on |callback_thread|.
+scoped_refptr<base::SingleThreadTaskRunner> callback_thread;
+base::Callback<content::WebContents*(void)> web_contents_getter;
+safe_browsing::ThreatSource threat_source;
+};
+
+}  // security_interstitials
+
+#endif  // COMPONENTS_SECURITY_INTERSTITIALS_CORE_UNSAFE_RESOURCE_H_