Track where WebContents are created in order to better understand issue.

android_webview/native/aw_contents.cc

 // Copyright 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 "android_webview/native/aw_contents.h"
 
 #include <limits>
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
@@ skipping 45 matching lines @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cert_store.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/message_port_provider.h"
 #include "content/public/browser/navigation_entry.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/web_contents.h"
+#include "content/public/browser/web_contents_source.h"
 #include "content/public/common/message_port_types.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/ssl_status.h"
 #include "jni/AwContents_jni.h"
 #include "net/base/auth.h"
 #include "net/cert/x509_certificate.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/size.h"
@@ skipping 237 matching lines @@
   delete this;
 }
 
 static jlong Init(JNIEnv* env,
                   const JavaParamRef<jclass>&,
                   const JavaParamRef<jobject>& browser_context) {
   // TODO(joth): Use |browser_context| to get the native BrowserContext, rather
   // than hard-code the default instance lookup here.
   scoped_ptr<WebContents> web_contents(content::WebContents::Create(
       content::WebContents::CreateParams(AwBrowserContext::GetDefault())));
+  WebContentsSource::CreateForWebContentsAndLocation(web_contents.get(),
+                                                     FROM_HERE);
   // Return an 'uninitialized' instance; most work is deferred until the
   // subsequent SetJavaPeers() call.
   return reinterpret_cast<intptr_t>(new AwContents(web_contents.Pass()));
 }
 
 static void SetForceAuxiliaryBitmapRendering(
     JNIEnv* env,
     const JavaParamRef<jclass>&,
     jboolean force_auxiliary_bitmap_rendering) {
   g_force_auxiliary_bitmap_rendering = force_auxiliary_bitmap_rendering;
@@ skipping 889 matching lines @@
                                                       jobject obj) {
   web_contents_->ResumeLoadingCreatedWebContents();
 }
 
 void SetShouldDownloadFavicons(JNIEnv* env,
                                const JavaParamRef<jclass>& jclazz) {
   g_should_download_favicons = true;
 }
 
 }  // namespace android_webview