Implement Crash Handle API

android_webview/browser/aw_render_process_gone_delegate.h

Index: android_webview/browser/aw_render_process_gone_delegate.h
diff --git a/android_webview/browser/aw_render_process_gone_delegate.h b/android_webview/browser/aw_render_process_gone_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..fb8661b33cf8e62d0fbc781c6d69bdb48d1c8229
--- /dev/null
+++ b/android_webview/browser/aw_render_process_gone_delegate.h
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+// Copyright 2017 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_AW_RENDER_PROCESS_GONE_DELEGATE_H_
+#define ANDROID_WEBVIEW_BROWSER_AW_RENDER_PROCESS_GONE_DELEGATE_H_
+
+namespace content {
+class WebContents;
+}
+
+namespace android_webview {
+
+// Delegate interface to handle the events that render process was gone.
+class AwRenderProcessGoneDelegate {
+ public:
+  // Returns the AwRenderProcessGoneDelegate instance associated with
+  // the given |web_contents|.
+  static AwRenderProcessGoneDelegate* FromWebContents(
+      content::WebContents* web_contents);
+
+  // Notify render process's termination is detected.
+  virtual void OnRenderProcessGone(int child_process_id) = 0;
+
+  // Notify if render process crashed or was killed, this callback is
+  // invoked after OnRenderProcessGone() because the detail information
+  // can't be obtained immediately when render process's termination is
+  // detected.
+  virtual bool OnRenderProcessGoneDetail(int child_process_id,
+                                         bool crashed) = 0;
+
+ protected:
+  AwRenderProcessGoneDelegate() {}
+};
+
+}  // namespace android_webview
+
+#endif  // ANDROID_WEBVIEW_BROWSER_AW_RENDER_PROCESS_GONE_DELEGATE_H_