Index: content/public/common/previews_state.h |
diff --git a/content/public/common/previews_state.h b/content/public/common/previews_state.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ea839e379bdb9a64371b8aa550d3d1a65948acb1 |
--- /dev/null |
+++ b/content/public/common/previews_state.h |
@@ -0,0 +1,45 @@ |
+// 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 CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ |
+#define CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ |
+ |
+#include "content/common/content_export.h" |
+#include "third_party/WebKit/public/platform/WebURLRequest.h" |
+ |
+#define STATIC_ASSERT_PREVIEWS_ENUM(a, b) \ |
+ static_assert(static_cast<int>(a) == static_cast<int>(b), \ |
+ "mismatching enums: " #a) |
+ |
+namespace content { |
+ |
+// The Previews state which determines whether to request a Preview version of |
+// the resource. Previews are optimizations that change the format and |
+// content of web pages to improve data savings and / or performance. This enum |
+// determines which Previews types to request. |
+enum PreviewsState { |
+ PREVIEWS_UNSPECIFIED = 0, // Let the browser process decide whether or |
+ // not to request Preview types. |
+ SERVER_LOFI_ON = 1 << 0, // Request a Lo-Fi version of the resource |
+ // from the server. |
+ CLIENT_LOFI_ON = 1 << 1, // Request a Lo-Fi version of the resource |
+ // from the client. |
+ PREVIEWS_OFF = 1 << 2, // Request a normal (non-Preview) version of |
+ // the resource. |
+ PREVIEWS_STATE_LAST = PREVIEWS_OFF |
+}; |
+ |
+// Ensure that content::PreviewsState and blink::WebURLRequest::PreviewsState |
+// are kept in sync. |
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_UNSPECIFIED, |
+ blink::WebURLRequest::PreviewsUnspecified); |
+STATIC_ASSERT_PREVIEWS_ENUM(SERVER_LOFI_ON, blink::WebURLRequest::ServerLoFiOn); |
+STATIC_ASSERT_PREVIEWS_ENUM(CLIENT_LOFI_ON, blink::WebURLRequest::ClientLoFiOn); |
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_OFF, blink::WebURLRequest::PreviewsOff); |
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_STATE_LAST, |
+ blink::WebURLRequest::PreviewsStateLast); |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_PUBLIC_COMMON_PREVIEWS_TYPE_H_ |