Index: components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer.h |
diff --git a/components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer.h b/components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bbb40e9f2263ab620701ac3946914b2d27971e52 |
--- /dev/null |
+++ b/components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer.h |
@@ -0,0 +1,37 @@ |
+// Copyright 2017 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_DATA_REDUCTION_PROXY_CONTENT_RENDERER_CONTENT_PREVIEWS_RENDER_FRAME_OBSERVER_H_ |
+#define COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_RENDERER_CONTENT_PREVIEWS_RENDER_FRAME_OBSERVER_H_ |
+ |
+#include "base/macros.h" |
+#include "content/public/common/previews_state.h" |
+#include "content/public/renderer/render_frame_observer.h" |
+#include "third_party/WebKit/public/platform/WebURLResponse.h" |
+ |
+namespace data_reduction_proxy { |
+ |
+// This class is created by ChromeRenderFrameObserver, and it class manages its |
+// own lifetime. It deletes itself when the RenderFrame it is observing goes |
+// away. |
+class ContentPreviewsRenderFrameObserver : public content::RenderFrameObserver { |
+ public: |
+ ContentPreviewsRenderFrameObserver(content::RenderFrame* render_frame); |
+ ~ContentPreviewsRenderFrameObserver() override; |
+ |
+ static content::PreviewsState GetPreviewsStateFromResponse( |
+ content::PreviewsState original_state, |
+ const blink::WebURLResponse& web_url_response); |
+ |
+ private: |
+ // content::RenderFrameObserver: |
+ void OnDestruct() override; |
+ void DidCommitProvisionalLoad(bool is_new_navigation, |
+ bool is_same_document_navigation) override; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ContentPreviewsRenderFrameObserver); |
+}; |
+ |
+} // namespace data_reduction_proxy |
+#endif // COMPONENTS_DATA_REDUCTION_PROXY_CONTENT_RENDERER_CONTENT_PREVIEWS_RENDER_FRAME_OBSERVER_H_ |