[Android] Add support for a hung renderer dialog

chrome/browser/android/tab_android.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/android/tab_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/metrics/histogram.h"
@@ skipping 50 matching lines @@
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/interstitial_page.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #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"
 #include "skia/ext/image_operations.h"
 #include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/android/device_display_info.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/favicon_size.h"
@@ skipping 706 matching lines @@
   }
 
   return -1;
 }
 
 bool TabAndroid::HasPrerenderedUrl(JNIEnv* env, jobject obj, jstring url) {
   GURL gurl(base::android::ConvertJavaStringToUTF8(env, 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 {
  public:
   ChromeInterceptNavigationDelegate(JNIEnv* env, jobject jdelegate)
       : InterceptNavigationDelegate(env, jdelegate) {}
 
   bool ShouldIgnoreNavigation(
       const NavigationParams& navigation_params) override {
     NavigationParams chrome_navigation_params(navigation_params);
@@ skipping 73 matching lines @@
   //   s^{n+1} / s^{n} = 2100 / 2000
   //   s = 1.05
   //   s^b = 60000
   //   b = ln(60000) / ln(1.05) ~= 225
   UMA_HISTOGRAM_CUSTOM_TIMES("Startup.FirstCommitNavigationTime",
       base::Time::Now() - chrome::android::GetMainEntryPointTime(),
       base::TimeDelta::FromMilliseconds(1),
       base::TimeDelta::FromMinutes(1),
       225);
 }