Added support for sync token signals.

Much like the old sync point singals, this CL implements signals for
the new light weight sync tokens.

BUG=514815
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1413933006

Cr-Commit-Position: refs/heads/master@{#355629}

2 files changed, 10 insertions, 0 deletions

diff --git a/cc/test/test_context_support.cc b/cc/test/test_context_support.cc
index da1021c..55fdee4 100644
--- a/cc/test/test_context_support.cc
+++ b/cc/test/test_context_support.cc
@@ -24,6 +24,14 @@ void TestContextSupport::SignalSyncPoint(uint32 sync_point,
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
+void TestContextSupport::SignalSyncToken(const gpu::SyncToken& sync_token,
+                                         const base::Closure& callback) {
+  sync_point_callbacks_.push_back(callback);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&TestContextSupport::CallAllSyncPointCallbacks,
+                            weak_ptr_factory_.GetWeakPtr()));
+}
+
 void TestContextSupport::SignalQuery(uint32 query,
                                      const base::Closure& callback) {
   sync_point_callbacks_.push_back(callback);
diff --git a/cc/test/test_context_support.h b/cc/test/test_context_support.h
index c686f2a..143a3b3 100644
--- a/cc/test/test_context_support.h
+++ b/cc/test/test_context_support.h
@@ -25,6 +25,8 @@ class TestContextSupport : public gpu::ContextSupport {
   // gpu::ContextSupport implementation.
   void SignalSyncPoint(uint32 sync_point,
                        const base::Closure& callback) override;
+  void SignalSyncToken(const gpu::SyncToken& sync_token,
+                       const base::Closure& callback) override;
   void SignalQuery(uint32 query, const base::Closure& callback) override;
   void SetSurfaceVisible(bool visible) override;
   void SetAggressivelyFreeResources(bool aggressively_free_resources) override;