Move WebCache from public/web into public/platform

third_party/WebKit/public/web/WebCache.h

-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef WebCache_h
-#define WebCache_h
-
-#include "../platform/WebCommon.h"
-
-namespace blink {
-
-// An interface to query and configure WebKit's resource cache.
-class WebCache {
- public:
-  struct UsageStats {
-    size_t capacity;
-    size_t size;
-  };
-
-  // A struct mirroring blink::MemoryCache::TypeStatistic.
-  struct ResourceTypeStat {
-    size_t count;
-    size_t size;
-    size_t decodedSize;
-  };
-
-  // A struct mirroring blink::MemoryCache::Statistics.
-  struct ResourceTypeStats {
-    ResourceTypeStat images;
-    ResourceTypeStat cssStyleSheets;
-    ResourceTypeStat scripts;
-    ResourceTypeStat xslStyleSheets;
-    ResourceTypeStat fonts;
-    ResourceTypeStat other;
-  };
-
-  // Sets the capacities of the resource cache, evicting objects as necessary.
-  BLINK_EXPORT static void setCapacity(size_t);
-
-  // Clears the cache (as much as possible; some resources may not be
-  // cleared if they are actively referenced). Note that this method
-  // only removes resources from live list, w/o releasing cache memory.
-  BLINK_EXPORT static void clear();
-
-  // Gets the usage statistics from the resource cache.
-  BLINK_EXPORT static void getUsageStats(UsageStats*);
-
-  // Get usage stats about the resource cache.
-  BLINK_EXPORT static void getResourceTypeStats(ResourceTypeStats*);
-
- private:
-  WebCache();  // Not intended to be instanced.
-};
-
-}  // namespace blink
-
-#endif