cc: Allow sending BeginMainFrame before draw or activation

cc/scheduler/scheduler_unittest.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #include "cc/scheduler/scheduler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 311 matching lines @@
   EXPECT_TRUE(client.needs_begin_impl_frame());
   client.Reset();
 
   // Now SetNeedsCommit again. Calling here means we need a second commit.
   scheduler->SetNeedsCommit();
   EXPECT_EQ(client.num_actions_(), 0);
   client.Reset();
 
   // Finish the first commit.
   scheduler->FinishCommit();
-  EXPECT_ACTION("ScheduledActionCommit", client, 0, 2);
-  EXPECT_ACTION("PostBeginImplFrameDeadlineTask", client, 1, 2);
+  if (deadline_scheduling_enabled) {
+    EXPECT_ACTION("ScheduledActionCommit", client, 0, 2);
+    EXPECT_ACTION("PostBeginImplFrameDeadlineTask", client, 1, 2);
+  } else {
+    EXPECT_ACTION("ScheduledActionCommit", client, 0, 3);
+    EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client, 1, 3);
+    EXPECT_ACTION("PostBeginImplFrameDeadlineTask", client, 2, 3);
+  }
   client.Reset();
   scheduler->OnBeginImplFrameDeadline();
-  if (deadline_scheduling_enabled) {
-    EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client, 0, 2);
-    EXPECT_ACTION("SetNeedsBeginImplFrame", client, 1, 2);
-  } else {
-    EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client, 0, 3);
-    EXPECT_ACTION("ScheduledActionSendBeginMainFrame", client, 1, 3);
-    EXPECT_ACTION("SetNeedsBeginImplFrame", client, 2, 3);
-  }
+  EXPECT_ACTION("ScheduledActionDrawAndSwapIfPossible", client, 0, 2);
+  EXPECT_ACTION("SetNeedsBeginImplFrame", client, 1, 2);
 
   // Because we just swapped, the Scheduler should also request the next
   // BeginImplFrame from the OutputSurface.
   EXPECT_TRUE(client.needs_begin_impl_frame());
   client.Reset();
 
   // Since another commit is needed, the next BeginImplFrame should initiate
   // the second commit.
   scheduler->BeginImplFrame(BeginFrameArgs::CreateForTesting());
   if (deadline_scheduling_enabled) {
@@ skipping 980 matching lines @@
     SpinForMillis(interval * 2);
     EXPECT_GT(client.num_actions_(), actions_so_far);
     EXPECT_STREQ(client.Action(client.num_actions_() - 1),
                  "DidAnticipatedDrawTimeChange");
     actions_so_far = client.num_actions_();
   }
 }
 
 }  // namespace
 }  // namespace cc