Refactor BrowserViewRenderer-RenderThreadManager relationship.

android_webview/browser/compositor_frame_producer.h

+// 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(CompositorFrameConsumer*) = 0;

[boliu, 2016/04/21 17:05:39]

style: params need names

So one producer could have many consumers? Otherwise why have the params here at
all? That's not really reflected in the producer api?

[Tobias Sargeant, 2016/04/21 17:48:27]

Removed for the moment. Will add back when it's needed.

[Tobias Sargeant, 2016/04/21 17:48:27]

Done.

+
+  virtual void OnCompositorFrameConsumerWillDestroy(
+      CompositorFrameConsumer*) = 0;
+
+ protected:
+  virtual ~CompositorFrameProducer() {}
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_COMPOSITOR_FRAME_PRODUCER_H_