Implement Crash Handle API

android_webview/java/src/org/chromium/android_webview/AwContents.java

Index: android_webview/java/src/org/chromium/android_webview/AwContents.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContents.java b/android_webview/java/src/org/chromium/android_webview/AwContents.java
index 3c789da95b4b031ec0f82e0a5e042fb2bc06d3d4..6e40ae76fc1aafd9a6c84cd6c160741cbf707c44 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContents.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContents.java
@@ -1157,6 +1157,16 @@ public class AwContents implements SmartClipProvider, PostMessageSender.PostMess
         }
     }
 
+    @CalledByNative
+    private void onRenderProcessGone(int childProcessID) {
+    }
+
+    @CalledByNative
+    private boolean onRenderProcessGoneDetail(int childProcessID, boolean crashed) {
+        if (isDestroyed(NO_WARN)) return false;
+        return mContentsClient.onRenderProcessGone(new AwRenderProcessGoneDetail(crashed));
+    }
+
     /**
      * Destroys this object and deletes its native counterpart.
      */