Enforce the 'requirements' field in manifests.

chrome/browser/extensions/updater/extension_downloader.h

Index: chrome/browser/extensions/updater/extension_downloader.h
diff --git a/chrome/browser/extensions/updater/extension_downloader.h b/chrome/browser/extensions/updater/extension_downloader.h
index a95423baa068e235a43a184f8189fd84b28b70e9..8cf758940d0d7cda8f5837b214a589ea4a110750 100644
--- a/chrome/browser/extensions/updater/extension_downloader.h
+++ b/chrome/browser/extensions/updater/extension_downloader.h
@@ -8,7 +8,6 @@
 
 #include <deque>
 #include <map>
-#include <set>
 #include <string>
 #include <vector>
 
@@ -55,7 +54,8 @@ class ExtensionDownloader : public net::URLFetcherDelegate {
   // Adds extension |id| to the list of extensions to check for updates.
   // Returns false if the |id| can't be updated due to invalid details.
   // In that case, no callbacks will be performed on the |delegate_|.
-  bool AddPendingExtension(const std::string& id, const GURL& update_url);
+  bool AddPendingExtension(const std::string& id, const GURL& update_url,
+                           bool is_sync);
 
   // Schedules a fetch of the manifest of all the extensions added with
   // AddExtension() and AddPendingExtension().
@@ -97,13 +97,15 @@ class ExtensionDownloader : public net::URLFetcherDelegate {
   struct ExtensionFetch {
     ExtensionFetch();
     ExtensionFetch(const std::string& id, const GURL& url,
-                   const std::string& package_hash, const std::string& version);
+                   const std::string& package_hash, const std::string& version,
+                   const bool is_sync);
     ~ExtensionFetch();
 
     std::string id;
     GURL url;
     std::string package_hash;
     std::string version;
+    bool is_sync;
   };
 
   // Helper for AddExtension() and AddPendingExtension().
@@ -111,7 +113,8 @@ class ExtensionDownloader : public net::URLFetcherDelegate {
                         const Version& version,
                         Extension::Type extension_type,
                         GURL update_url,
-                        const std::string& update_url_data);
+                        const std::string& update_url_data,
+                        bool is_sync);
 
   // Adds all recorded stats taken so far to histogram counts.
   void ReportStats() const;
@@ -143,7 +146,8 @@ class ExtensionDownloader : public net::URLFetcherDelegate {
   void FetchUpdatedExtension(const std::string& id,
                              const GURL& url,
                              const std::string& hash,
-                             const std::string& version);
+                             const std::string& version,
+                             const bool is_sync);
 
   // Handles the result of a crx fetch.
   void OnCRXFetchComplete(const net::URLFetcher* source,
@@ -152,9 +156,10 @@ class ExtensionDownloader : public net::URLFetcherDelegate {
                           int response_code);
 
   // Invokes OnExtensionDownloadFailed() on the |delegate_| for each extension
-  // in the set, with |error| as the reason for failure.
-  void NotifyExtensionsDownloadFailed(const std::set<std::string>& id_set,
-                                      ExtensionDownloaderDelegate::Error error);
+  // in the mamapwith |error| as the reason for failure.
+  void NotifyExtensionsDownloadFailed(
+      const ManifestFetchData::ExtensionInfoMap& id_map,
+      ExtensionDownloaderDelegate::Error error);
 
   // Send a notification that an update was found for |id| that we'll
   // attempt to download.