gpu: Remove Echo and SwapCompletion GL interfacess

cc/test/test_context_support.cc

Index: cc/test/test_context_support.cc
diff --git a/cc/test/test_context_support.cc b/cc/test/test_context_support.cc
index a2bedc0835219e3f6193d8bda6087e5b83d11a3a..44a992cba744933009f288eb23b3a6e01e52d52b 100644
--- a/cc/test/test_context_support.cc
+++ b/cc/test/test_context_support.cc
@@ -10,8 +10,7 @@
 namespace cc {
 
 TestContextSupport::TestContextSupport()
-    : last_swap_type_(NO_SWAP),
-      weak_ptr_factory_(this) {
+    : weak_ptr_factory_(this) {
 }
 
 TestContextSupport::~TestContextSupport() {}
@@ -58,13 +57,6 @@ void TestContextSupport::SetScheduleOverlayPlaneCallback(
   schedule_overlay_plane_callback_ = schedule_overlay_plane_callback;
 }
 
-void TestContextSupport::Swap() {
-  last_swap_type_ = SWAP;
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE, base::Bind(&TestContextSupport::OnSwapBuffersComplete,
-                            weak_ptr_factory_.GetWeakPtr()));
-}
-
 uint32 TestContextSupport::InsertFutureSyncPointCHROMIUM() {
   NOTIMPLEMENTED();
   return 0;
@@ -74,14 +66,6 @@ void TestContextSupport::RetireSyncPointCHROMIUM(uint32 sync_point) {
   NOTIMPLEMENTED();
 }
 
-void TestContextSupport::PartialSwapBuffers(const gfx::Rect& sub_buffer) {
-  last_swap_type_ = PARTIAL_SWAP;
-  last_partial_swap_rect_ = sub_buffer;
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE, base::Bind(&TestContextSupport::OnSwapBuffersComplete,
-                            weak_ptr_factory_.GetWeakPtr()));
-}
-
 void TestContextSupport::ScheduleOverlayPlane(
     int plane_z_order,
     gfx::OverlayTransform plane_transform,
@@ -97,14 +81,4 @@ void TestContextSupport::ScheduleOverlayPlane(
   }
 }
 
-void TestContextSupport::SetSwapBuffersCompleteCallback(
-    const base::Closure& callback) {
-  swap_buffers_complete_callback_ = callback;
-}
-
-void TestContextSupport::OnSwapBuffersComplete() {
-  if (!swap_buffers_complete_callback_.is_null())
-    swap_buffers_complete_callback_.Run();
-}
-
 }  // namespace cc