[Android] Add support for a hung renderer dialog

chrome/browser/android/tab_android.cc

Index: chrome/browser/android/tab_android.cc
diff --git a/chrome/browser/android/tab_android.cc b/chrome/browser/android/tab_android.cc
index ab3a25c7059ce91a032b1e5667febeb75dcfae2f..83471cfd7a84d84764ffb6fc85ab3f731b8b25d8 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/android/tab_android.cc
@@ -68,6 +68,7 @@
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/result_codes.h"
 #include "content/public/common/top_controls_state.h"
 #include "jni/Tab_jni.h"
 #include "net/base/escape.h"
@@ -794,6 +795,12 @@ bool TabAndroid::HasPrerenderedUrl(JNIEnv* env, jobject obj, jstring url) {
   return HasPrerenderedUrl(gurl);
 }
 
+void TabAndroid::ShutdownHungRenderer(JNIEnv* env, jobject obj) {
+  DCHECK(web_contents());
+  content::RenderProcessHost* process = web_contents()->GetRenderProcessHost();
+  process->Shutdown(content::RESULT_CODE_HUNG, false);
+}
+
 namespace {
 
 class ChromeInterceptNavigationDelegate : public InterceptNavigationDelegate {