reland crrev.com/212927 Move webkitplatformsupport_impl and related from glue to child

webkit/glue/resource_type.h

-// Copyright (c) 2012 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 WEBKIT_GLUE_RESOURCE_TYPE_H__
-#define WEBKIT_GLUE_RESOURCE_TYPE_H__
-
-#include "base/basictypes.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
-#include "webkit/glue/webkit_glue_export.h"
-
-class ResourceType {
- public:
-  // Used in histograms, so please add new types at the end, and rename unused
-  // entries to RESOURCETYPE_UNUSED_0, etc...
-  enum Type {
-    MAIN_FRAME = 0,  // top level page
-    SUB_FRAME,       // frame or iframe
-    STYLESHEET,      // a CSS stylesheet
-    SCRIPT,          // an external script
-    IMAGE,           // an image (jpg/gif/png/etc)
-    FONT_RESOURCE,   // a font
-    SUB_RESOURCE,    // an "other" subresource.
-    OBJECT,          // an object (or embed) tag for a plugin,
-                     // or a resource that a plugin requested.
-    MEDIA,           // a media resource.
-    WORKER,          // the main resource of a dedicated worker.
-    SHARED_WORKER,   // the main resource of a shared worker.
-    PREFETCH,        // an explicitly requested prefetch
-    FAVICON,         // a favicon
-    XHR,             // a XMLHttpRequest
-    LAST_TYPE        // Place holder so we don't need to change ValidType
-                     // everytime.
-  };
-
-  static bool ValidType(int32 type) {
-    return type >= MAIN_FRAME && type < LAST_TYPE;
-  }
-
-  static Type FromInt(int32 type) {
-    return static_cast<Type>(type);
-  }
-
-  WEBKIT_GLUE_EXPORT static Type FromTargetType(
-      WebKit::WebURLRequest::TargetType type);
-
-  static bool IsFrame(ResourceType::Type type) {
-    return type == MAIN_FRAME || type == SUB_FRAME;
-  }
-
-  static bool IsSharedWorker(ResourceType::Type type) {
-    return type == SHARED_WORKER;
-  }
-
-  static bool IsSubresource(ResourceType::Type type) {
-    return type == STYLESHEET ||
-           type == SCRIPT ||
-           type == IMAGE ||
-           type == FONT_RESOURCE ||
-           type == SUB_RESOURCE ||
-           type == WORKER ||
-           type == XHR;
-  }
-
- private:
-  // Don't instantiate this class.
-  ResourceType();
-  ~ResourceType();
-};
-#endif  // WEBKIT_GLUE_RESOURCE_TYPE_H__