Reduce include bloat in content/public/common/previews_state.h

Reducing the preprocessed include size from 514,119 to 101 tokens.

Bug: 1014009
Change-Id: I2eba8848545dd95dcd2da105580b45d6be0e21f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1856964Reviewed-by: Camille Lamy <clamy@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705519}

content/public/common/BUILD.gn

@@ -176,6 +176,7 @@ jumbo_source_set("common_sources") {
     "pepper_plugin_info.cc",
     "pepper_plugin_info.h",
     "persistent_notification_status.h",
+    "previews_state.cc",
     "previews_state.h",
     "process_type.h",
     "profiling.cc",

content/public/common/previews_state.cc

+// Copyright 2019 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.
+
+#include "content/public/common/previews_state.h"
+
+#include "third_party/blink/public/platform/web_url_request.h"
+
+#define STATIC_ASSERT_PREVIEWS_ENUM(a, b)                   \
+  static_assert(static_cast<int>(a) == static_cast<int>(b), \
+                "mismatching enums: " #a)
+
+namespace content {
+
+// Ensure that content::PreviewsState and blink::WebURLRequest::PreviewsState
+// are kept in sync.
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_UNSPECIFIED,
+                            blink::WebURLRequest::kPreviewsUnspecified);
+STATIC_ASSERT_PREVIEWS_ENUM(CLIENT_LOFI_AUTO_RELOAD,
+                            blink::WebURLRequest::kClientLoFiAutoReload);
+STATIC_ASSERT_PREVIEWS_ENUM(SERVER_LITE_PAGE_ON,
+                            blink::WebURLRequest::kServerLitePageOn);
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_NO_TRANSFORM,
+                            blink::WebURLRequest::kPreviewsNoTransform);
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_OFF, blink::WebURLRequest::kPreviewsOff);
+STATIC_ASSERT_PREVIEWS_ENUM(NOSCRIPT_ON, blink::WebURLRequest::kNoScriptOn);
+STATIC_ASSERT_PREVIEWS_ENUM(RESOURCE_LOADING_HINTS_ON,
+                            blink::WebURLRequest::kResourceLoadingHintsOn);
+STATIC_ASSERT_PREVIEWS_ENUM(OFFLINE_PAGE_ON,
+                            blink::WebURLRequest::kOfflinePageOn);
+STATIC_ASSERT_PREVIEWS_ENUM(LITE_PAGE_REDIRECT_ON,
+                            blink::WebURLRequest::kLitePageRedirectOn);
+STATIC_ASSERT_PREVIEWS_ENUM(LAZY_IMAGE_LOAD_DEFERRED,
+                            blink::WebURLRequest::kLazyImageLoadDeferred);
+STATIC_ASSERT_PREVIEWS_ENUM(LAZY_IMAGE_AUTO_RELOAD,
+                            blink::WebURLRequest::kLazyImageAutoReload);
+STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_STATE_LAST,
+                            blink::WebURLRequest::kPreviewsStateLast);
+
+}  // namespace content

content/public/common/previews_state.h

@@ -5,13 +5,6 @@
 #ifndef CONTENT_PUBLIC_COMMON_PREVIEWS_STATE_H_
 #define CONTENT_PUBLIC_COMMON_PREVIEWS_STATE_H_
 
-#include "content/common/content_export.h"
-#include "third_party/blink/public/platform/web_url_request.h"
-
-#define STATIC_ASSERT_PREVIEWS_ENUM(a, b)                   \
-  static_assert(static_cast<int>(a) == static_cast<int>(b), \
-                "mismatching enums: " #a)
-
 namespace content {
 
 typedef int PreviewsState;
@@ -65,31 +58,6 @@ const PreviewsState ALL_SUPPORTED_PREVIEWS =
     SERVER_LITE_PAGE_ON | NOSCRIPT_ON | RESOURCE_LOADING_HINTS_ON |
     OFFLINE_PAGE_ON | LITE_PAGE_REDIRECT_ON;
 
-// Ensure that content::PreviewsState and blink::WebURLRequest::PreviewsState
-// are kept in sync.
-STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_UNSPECIFIED,
-                            blink::WebURLRequest::kPreviewsUnspecified);
-STATIC_ASSERT_PREVIEWS_ENUM(CLIENT_LOFI_AUTO_RELOAD,
-                            blink::WebURLRequest::kClientLoFiAutoReload);
-STATIC_ASSERT_PREVIEWS_ENUM(SERVER_LITE_PAGE_ON,
-                            blink::WebURLRequest::kServerLitePageOn);
-STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_NO_TRANSFORM,
-                            blink::WebURLRequest::kPreviewsNoTransform);
-STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_OFF, blink::WebURLRequest::kPreviewsOff);
-STATIC_ASSERT_PREVIEWS_ENUM(NOSCRIPT_ON, blink::WebURLRequest::kNoScriptOn);
-STATIC_ASSERT_PREVIEWS_ENUM(RESOURCE_LOADING_HINTS_ON,
-                            blink::WebURLRequest::kResourceLoadingHintsOn);
-STATIC_ASSERT_PREVIEWS_ENUM(OFFLINE_PAGE_ON,
-                            blink::WebURLRequest::kOfflinePageOn);
-STATIC_ASSERT_PREVIEWS_ENUM(LITE_PAGE_REDIRECT_ON,
-                            blink::WebURLRequest::kLitePageRedirectOn);
-STATIC_ASSERT_PREVIEWS_ENUM(LAZY_IMAGE_LOAD_DEFERRED,
-                            blink::WebURLRequest::kLazyImageLoadDeferred);
-STATIC_ASSERT_PREVIEWS_ENUM(LAZY_IMAGE_AUTO_RELOAD,
-                            blink::WebURLRequest::kLazyImageAutoReload);
-STATIC_ASSERT_PREVIEWS_ENUM(PREVIEWS_STATE_LAST,
-                            blink::WebURLRequest::kPreviewsStateLast);
-
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_PREVIEWS_STATE_H_