gpu: Remove WebGraphicsContext3D::makeContextCurrent()

cc/test/test_context_provider.h

Index: cc/test/test_context_provider.h
diff --git a/cc/test/test_context_provider.h b/cc/test/test_context_provider.h
index a57fb58c82846fe8cfad22eeecea011a9a9c08b8..fc07f94250730636af2c3829ae26957abe7a17ef 100644
--- a/cc/test/test_context_provider.h
+++ b/cc/test/test_context_provider.h
@@ -45,7 +45,7 @@ class TestContextProvider : public ContextProvider {
   // This returns the TestWebGraphicsContext3D but is valid to call
   // before the context is bound to a thread. This is needed to set up
   // state on the test context before binding. Don't call
-  // makeContextCurrent on the context returned from this method.
+  // BindToCurrentThread on the context returned from this method.
   TestWebGraphicsContext3D* UnboundTestContext3d();
 
   TestContextSupport* support() { return &support_; }