Revert 70275 - Revert 70267 - Refactor PipelineImpl to use CompositeFilter to manage Filter state transitions.

BUG=54110
TEST=media_unittests CompositeFilterTest.*

Review URL: http://codereview.chromium.org/5744002

TBR=acolwell@chromium.org
Review URL: http://codereview.chromium.org/6026013

TBR=acolwell@chromium.org

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70277 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 19 insertions, 0 deletions

diff --git a/media/base/mock_filters.cc b/media/base/mock_filters.cc
index f2110ff..e2d6ad9 100644
--- a/media/base/mock_filters.cc
+++ b/media/base/mock_filters.cc
@@ -20,4 +20,23 @@ void RunStopFilterCallback(FilterCallback* callback) {
   delete callback;
 }
 
+MockFilter::MockFilter() :
+    requires_message_loop_(false) {
+}
+
+MockFilter::MockFilter(bool requires_message_loop) :
+    requires_message_loop_(requires_message_loop) {
+}
+
+MockFilter::~MockFilter() {}
+
+bool MockFilter::requires_message_loop() const {
+  return requires_message_loop_;
+}
+
+const char* MockFilter::message_loop_name() const {
+  return "MockFilter";
+}
+
+
 }  // namespace media