cc: Add testing stubs for proxy test

cc/trees/layer_tree_host_unittest_proxy.cc

+// Copyright 2014 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 "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "cc/test/layer_tree_test.h"
+#include "cc/trees/thread_proxy.h"
+
+namespace cc {
+
+class ThreadProxyTest : public LayerTreeTest {
+ public:
+  ThreadProxyTest() {}
+  virtual ~ThreadProxyTest() {}
+
+  void RunTest() {
+    // We don't need to care about delegating, impl side painting because
+    // ThreadProxyTest only cover ThreadProxy itself.
+    // So, true is passed to all parameters.
+    bool threaded = true;
+    bool delegating_renderer = true;
+    bool impl_side_painting = true;

[brianderson, 2014/05/14 21:12:07]

Note: We will care about impl-side-painting since it affects how scheduling
works and what proxy logic is used/valid.

[simonhong, 2014/05/15 01:32:07]

Yep. changed to it configurable.

+    LayerTreeTest::RunTest(threaded, delegating_renderer, impl_side_painting);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ThreadProxyTest);
+};
+
+class ThreadProxyTestSetNeedsCommit : public ThreadProxyTest {
+ public:
+  void BeginTest() OVERRIDE {
+    EXPECT_FALSE(ThreadProxyMainOnly().commit_requested);
+    EXPECT_FALSE(ThreadProxyMainOnly().commit_request_sent_to_impl_thread);
+
+    proxy()->SetNeedsCommit();
+
+    EXPECT_TRUE(ThreadProxyMainOnly().commit_requested);
+    EXPECT_TRUE(ThreadProxyMainOnly().commit_request_sent_to_impl_thread);
+  }
+
+  void DidBeginMainFrame() OVERRIDE {
+    EXPECT_FALSE(ThreadProxyMainOnly().commit_requested);
+    EXPECT_FALSE(ThreadProxyMainOnly().commit_request_sent_to_impl_thread);
+
+    EndTest();
+  }
+
+  void AfterTest() OVERRIDE {}
+
+ protected:
+  ThreadProxyTestSetNeedsCommit() {}
+  virtual ~ThreadProxyTestSetNeedsCommit() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ThreadProxyTestSetNeedsCommit);
+};
+
+TEST_F(ThreadProxyTestSetNeedsCommit, SetNeedsCommitTest) {
+  RunTest();
+}
+
+}  // namespace cc