[Contextual Search] Add Mojo-enabled API component.

chrome/browser/android/bottombar/overlay_panel_content.cc

 // Copyright 2015 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/bottombar/overlay_panel_content.h"
 
 #include <set>
 
 #include "base/android/jni_string.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "chrome/browser/android/tab_android.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/android/window_android_helper.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/navigation_interception/intercept_navigation_delegate.h"
 #include "components/variations/variations_associated_data.h"
 #include "components/web_contents_delegate_android/web_contents_delegate_android.h"
 #include "content/public/browser/android/content_view_core.h"
+#include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/OverlayPanelContent_jni.h"
 #include "net/url_request/url_fetcher_impl.h"
 
 using content::ContentViewCore;
 
 namespace {
 
 const int kHistoryDeletionWindowSeconds = 2;
 
@@ skipping 67 matching lines @@
   // to a real tab.
   TabAndroid::AttachTabHelpers(web_contents_.get());
   WindowAndroidHelper::FromWebContents(web_contents_.get())
       ->SetWindowAndroid(content_view_core->GetWindowAndroid());
   web_contents_delegate_.reset(
       new web_contents_delegate_android::WebContentsDelegateAndroid(
           env, jweb_contents_delegate));
   web_contents_->SetDelegate(web_contents_delegate_.get());
 }
 
-void OverlayPanelContent::DestroyWebContents(JNIEnv* env, jobject jobj) {
+int OverlayPanelContent::DestroyWebContents(JNIEnv* env, jobject jobj) {
   DCHECK(web_contents_.get());
+  int host_id = web_contents_->GetRenderProcessHost()->GetID();
   web_contents_.reset();
   // |web_contents_delegate_| may already be NULL at this point.
   web_contents_delegate_.reset();
+  return host_id;
 }
 
 void OverlayPanelContent::SetInterceptNavigationDelegate(
     JNIEnv* env,
     jobject obj,
     jobject delegate,
     jobject jweb_contents) {
   content::WebContents* web_contents =
       content::WebContents::FromJavaWebContents(jweb_contents);
   DCHECK(web_contents);
   navigation_interception::InterceptNavigationDelegate::Associate(
       web_contents,
       make_scoped_ptr(new navigation_interception::InterceptNavigationDelegate(
           env, delegate)));
 }
 
 bool RegisterOverlayPanelContent(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   OverlayPanelContent* content = new OverlayPanelContent(env, obj);
   return reinterpret_cast<intptr_t>(content);
 }