Plumb request interception into the appcache library for both chrome and test_shell.

AppCache library:
* Added AppCacheInterceptor, which is derived from URLRequest::Interceptor.

Chrome:
* Each UserProfile instantiates a ChromeAppCacheService, which is derived from an appcache library class.
* Each ChromeURLRequestContext associated with that profile has a reference to that instance.
* ResourceDispatcherHost pokes AppCacheInterceptor when initiating URLRequests and when returning the response head.

TestShell:
* Added SimpleAppCacheSystem which bundles together appcache lib components for use in a single process with an UI and IO thread.
* TestShellWebKit instantiates and initializes an instance of the above, aimed at at temp directory that will get cleaned up when the test run is over.
* SimpleResourceLoaderBridge pokes the system when initiating URLRequests and when returning the response head.

TEST=none, although many existing tests exercise this stuff
BUG=none

Review URL: http://codereview.chromium.org/173406

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25099 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 0 deletions

diff --git a/webkit/appcache/appcache_host.h b/webkit/appcache/appcache_host.h
index 439e042..bebc22d 100644
--- a/webkit/appcache/appcache_host.h
+++ b/webkit/appcache/appcache_host.h
@@ -24,6 +24,10 @@ class AppCacheHost {
     selected_cache_ = cache;
   }
 
+  bool is_selection_pending() {
+    return false;  // TODO(michaeln)
+  }
+
  private:
   // identifies the corresponding appcache host in the child process
   int host_id_;