Revert of aw: Try to turn crash into java exception

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 7e71adf90faa4dbb3a39d20e94b9cb67a00b1333..f4dabeadaadaf7729757bf6c8b320ce54f04f49a 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContents.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContents.java
@@ -1578,10 +1578,6 @@
             }
         }
 
-        // Temporary to generate a Java stack for crbug.com/618807.
-        if (mNativeAwContents == 0) {
-            throw new RuntimeException("Calling load on destroyed webview " + mIsDestroyed);
-        }
         nativeSetExtraHeadersForUrl(
                 mNativeAwContents, params.getUrl(), params.getExtraHttpRequestHeadersString());
         params.setExtraHeaders(new HashMap<String, String>());