FBTF: Forward declare and move constructors in chrome/common/extensions/.

chrome/common/extensions/extension_extent.cc

 // Copyright (c) 2010 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 "chrome/common/extensions/extension_extent.h"
 
+#include "chrome/common/extensions/url_pattern.h"
+#include "googleurl/src/gurl.h"
+
+ExtensionExtent::ExtensionExtent() {
+}
+
+ExtensionExtent::ExtensionExtent(const ExtensionExtent& rhs)
+    : patterns_(rhs.patterns_) {
+}
+
+ExtensionExtent::~ExtensionExtent() {
+}
+
+ExtensionExtent& ExtensionExtent::operator=(const ExtensionExtent& rhs) {
+  patterns_ = rhs.patterns_;
+  return *this;
+}
+
+bool ExtensionExtent::is_empty() const {
+  return patterns_.empty();
+}
+
+void ExtensionExtent::AddPattern(const URLPattern& pattern) {
+  patterns_.push_back(pattern);
+}
+
+void ExtensionExtent::ClearPaths() {
+  patterns_.clear();
+}
+
 bool ExtensionExtent::ContainsURL(const GURL& url) const {
   for (PatternList::const_iterator pattern = patterns_.begin();
        pattern != patterns_.end(); ++pattern) {
     if (pattern->MatchesUrl(url))
       return true;
   }
 
   return false;
 }
 
 bool ExtensionExtent::OverlapsWith(const ExtensionExtent& other) const {
   // Two extension extents overlap if there is any one URL that would match at
   // least one pattern in each of the extents.
   for (PatternList::const_iterator i = patterns_.begin();
        i != patterns_.end(); ++i) {
     for (PatternList::const_iterator j = other.patterns().begin();
          j != other.patterns().end(); ++j) {
       if (i->OverlapsWith(*j))
         return true;
     }
   }
 
   return false;
 }