Move c/c/e/extension_set to top-level extensions/

extensions/common/extension_set.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 CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
-#define CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
+#ifndef EXTENSIONS_COMMON_EXTENSION_SET_H_
+#define EXTENSIONS_COMMON_EXTENSION_SET_H_
 
 #include <iterator>
 #include <map>
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "extensions/common/extension.h"
 #include "url/gurl.h"
 
+namespace extensions {
+
 // The one true extension container. Extensions are identified by their id.
 // Only one extension can be in the set with a given ID.
 class ExtensionSet {
  public:
   typedef std::pair<base::FilePath, std::string> ExtensionPathAndDefaultLocale;
-  typedef std::map<std::string, scoped_refptr<const extensions::Extension> >
-      ExtensionMap;
-  typedef base::Callback<void(const extensions::ExtensionIdSet&)>
+  typedef std::map<std::string, scoped_refptr<const Extension> > ExtensionMap;
+  typedef base::Callback<void(const ExtensionIdSet&)>
       ModificationCallback;
 
   // Iteration over the values of the map (given that it's an ExtensionSet,
   // it should iterate like a set iterator).
-  class const_iterator :
-      public std::iterator<std::input_iterator_tag,
-                           scoped_refptr<const extensions::Extension> > {
+  class const_iterator : public std::iterator<std::input_iterator_tag,
+                                              scoped_refptr<const Extension> > {
    public:
     const_iterator();
     const_iterator(const const_iterator& other);
     explicit const_iterator(ExtensionMap::const_iterator it);
     const_iterator& operator++() {
       ++it_;
       return *this;
     }
     const_iterator operator++(int) {
       const const_iterator old(*this);
       ++it_;
       return old;
     }
-    const scoped_refptr<const extensions::Extension>& operator*() const {
+    const scoped_refptr<const Extension>& operator*() const {
       return it_->second;
     }
-    const scoped_refptr<const extensions::Extension>* operator->() const {
+    const scoped_refptr<const Extension>* operator->() const {
       return &it_->second;
     }
     bool operator!=(const const_iterator& other) const {
       return it_ != other.it_;
     }
     bool operator==(const const_iterator& other) const {
       return it_ == other.it_;
     }
 
    private:
     ExtensionMap::const_iterator it_;
   };
 
   ExtensionSet();
   ~ExtensionSet();
 
   size_t size() const;
   bool is_empty() const;
 
   // Iteration support.
   const_iterator begin() const { return const_iterator(extensions_.begin()); }
   const_iterator end() const { return const_iterator(extensions_.end()); }
 
   // Returns true if the set contains the specified extension.
   bool Contains(const std::string& id) const;
 
   // Adds the specified extension to the set. The set becomes an owner. Any
   // previous extension with the same ID is removed.
   // Returns true if there is no previous extension.
-  bool Insert(const scoped_refptr<const extensions::Extension>& extension);
+  bool Insert(const scoped_refptr<const Extension>& extension);
 
   // Copies different items from |extensions| to the current set and returns
   // whether anything changed.
   bool InsertAll(const ExtensionSet& extensions);
 
   // Removes the specified extension.
   // Returns true if the set contained the specified extnesion.
   bool Remove(const std::string& id);
 
   // Removes all extensions.
   void Clear();
 
   // Returns the extension ID, or empty if none. This includes web URLs that
   // are part of an extension's web extent.
   std::string GetExtensionOrAppIDByURL(const GURL& url) const;
 
   // Returns the Extension, or NULL if none.  This includes web URLs that are
   // part of an extension's web extent.
   // NOTE: This can return NULL if called before UpdateExtensions receives
   // bulk extension data (e.g. if called from
   // EventBindings::HandleContextCreated)
-  const extensions::Extension* GetExtensionOrAppByURL(const GURL& url) const;
+  const Extension* GetExtensionOrAppByURL(const GURL& url) const;
 
   // Returns the hosted app whose web extent contains the URL.
-  const extensions::Extension* GetHostedAppByURL(const GURL& url) const;
+  const Extension* GetHostedAppByURL(const GURL& url) const;
 
   // Returns a hosted app that contains any URL that overlaps with the given
   // extent, if one exists.
-  const extensions::Extension* GetHostedAppByOverlappingWebExtent(
-      const extensions::URLPatternSet& extent) const;
+  const Extension* GetHostedAppByOverlappingWebExtent(
+      const URLPatternSet& extent) const;
 
   // Returns true if |new_url| is in the extent of the same extension as
   // |old_url|.  Also returns true if neither URL is in an app.
   bool InSameExtent(const GURL& old_url, const GURL& new_url) const;
 
   // Look up an Extension object by id.
-  const extensions::Extension* GetByID(const std::string& id) const;
+  const Extension* GetByID(const std::string& id) const;
 
   // Gets the IDs of all extensions in the set.
-  extensions::ExtensionIdSet GetIDs() const;
+  ExtensionIdSet GetIDs() const;
 
   // Returns true if |info| should get extension api bindings and be permitted
   // to make api calls. Note that this is independent of what extension
   // permissions the given extension has been granted.
   bool ExtensionBindingsAllowed(const GURL& url) const;
 
   void set_modification_callback(
       const ModificationCallback& modification_callback) {
     modification_callback_ = modification_callback;
   }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ExtensionSetTest, ExtensionSet);
 
   ExtensionMap extensions_;
 
   // If non-null, called with the extension ids in this set after a modification
   // occurred. This is not called on Clear() which is typically used when
   // discarding the set (e.g., on shutdown) and we do not want to track that as
   // a real modification.
   ModificationCallback modification_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSet);
 };
 
-#endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_SET_H_
+}  // namespace extensions
+
+#endif  // EXTENSIONS_COMMON_EXTENSION_SET_H_