Refactor BrowserViewRenderer-RenderThreadManager relationship.

android_webview/browser/compositor_frame_producer.h

Index: android_webview/browser/compositor_frame_producer.h
diff --git a/android_webview/browser/compositor_frame_producer.h b/android_webview/browser/compositor_frame_producer.h
new file mode 100644
index 0000000000000000000000000000000000000000..b27b611a618ccb35730d643227549efa379ceed5
--- /dev/null
+++ b/android_webview/browser/compositor_frame_producer.h
@@ -0,0 +1,23 @@
+// Copyright 2016 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.
+
+#ifndef ANDROID_WEBVIEW_BROWSER_COMPOSITOR_FRAME_PRODUCER_H_
+#define ANDROID_WEBVIEW_BROWSER_COMPOSITOR_FRAME_PRODUCER_H_
+
+namespace android_webview {
+
+class CompositorFrameConsumer;
+
+class CompositorFrameProducer {
+ public:
+  virtual void OnParentDrawConstraintsUpdated() = 0;
+  virtual void OnCompositorFrameConsumerWillDestroy() = 0;
+
+ protected:
+  virtual ~CompositorFrameProducer() {}
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_COMPOSITOR_FRAME_PRODUCER_H_