WIP - Control the lifetime of RenderThreadManager from Java.

android_webview/native/aw_gl_functor.h

Index: android_webview/native/aw_gl_functor.h
diff --git a/android_webview/native/aw_gl_functor.h b/android_webview/native/aw_gl_functor.h
new file mode 100644
index 0000000000000000000000000000000000000000..4975715e43dab95343ab1465d26d687f4bd64f67
--- /dev/null
+++ b/android_webview/native/aw_gl_functor.h
@@ -0,0 +1,53 @@
+// 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_NATIVE_AW_GL_FUNCTOR_H_
+#define ANDROID_WEBVIEW_NATIVE_AW_GL_FUNCTOR_H_
+
+#include <jni.h>
+
+#include "android_webview/browser/render_thread_manager.h"
+#include "android_webview/browser/render_thread_manager_client.h"
+#include "base/android/jni_weak_ref.h"
+#include "base/android/scoped_java_ref.h"
+
+namespace android_webview {
+
+class AwGLFunctor : public RenderThreadManagerClient {
+ public:
+  void OnParentDrawConstraintsUpdated() override;
+  bool RequestDrawGL(bool wait_for_completion) override;
+  void DetachFunctorFromView() override;
+
+  AwGLFunctor(const JavaObjectWeakGlobalRef& java_ref);
+  ~AwGLFunctor() override;
+
+  void SetClient(JNIEnv* env,
+                 const base::android::JavaParamRef<jobject>& obj,
+                 jlong client);
+  void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
+
+  void DeleteHardwareRenderer(JNIEnv* env,
+                              const base::android::JavaParamRef<jobject>& obj);
+
+  jlong GetAwDrawGLViewContext(JNIEnv* env,
+                               const base::android::JavaParamRef<jobject>& obj);
+
+  jlong GetAwDrawGLFunction(JNIEnv* env,
+                            const base::android::JavaParamRef<jobject>& obj);
+
+  RenderThreadManager* GetRenderThreadManager() {
+    return &render_thread_manager_;
+  }
+
+ private:
+  JavaObjectWeakGlobalRef java_ref_;
+  RenderThreadManager render_thread_manager_;
+};
+
+bool RegisterAwGLFunctor(JNIEnv* env);
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_NATIVE_AW_GL_FUNCTOR_H_