Add some temporary logging to AwContentsGarbageCollectionTest

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 <utility>
 
 #include "android_webview/browser/aw_browser_context.h"
@@ skipping 175 matching lines @@
 }
 
 AwContents::AwContents(scoped_ptr<WebContents> web_contents)
     : browser_view_renderer_(
           this,
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
           base::CommandLine::ForCurrentProcess()->HasSwitch(
               switches::kDisablePageVisibility)),
       web_contents_(std::move(web_contents)),
       renderer_manager_key_(GLViewRendererManager::GetInstance()->NullKey()) {
-  base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, 1);
+  base::subtle::Atomic32 instance_count =
+      base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, 1);
+  VLOG(2) << "AwContents::~AwContents " << this << " instance_count "
+          << instance_count;
   icon_helper_.reset(new IconHelper(web_contents_.get()));
   icon_helper_->SetListener(this);
   web_contents_->SetUserData(android_webview::kAwContentsUserDataKey,
                              new AwContentsUserData(this));
   browser_view_renderer_.RegisterWithWebContents(web_contents_.get());
   render_view_host_ext_.reset(
       new AwRenderViewHostExt(this, web_contents_.get()));
 
   permission_request_handler_.reset(
       new PermissionRequestHandler(this, web_contents_.get()));
@@ skipping 88 matching lines @@
       base::subtle::NoBarrier_AtomicIncrement(&g_instance_count, -1);
   // When the last WebView is destroyed free all discardable memory allocated by
   // Chromium, because the app process may continue to run for a long time
   // without ever using another WebView.
   if (instance_count == 0) {
     // TODO(timvolodine): consider moving NotifyMemoryPressure to
     // AwContentsLifecycleNotifier (crbug.com/522988).
     base::MemoryPressureListener::NotifyMemoryPressure(
         base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
   }
+  VLOG(2) << "AwContents::~AwContents " << this << " instance_count "
+          << instance_count;
   AwContentsLifecycleNotifier::OnWebViewDestroyed();
 }
 
 base::android::ScopedJavaLocalRef<jobject> AwContents::GetWebContents(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(web_contents_);
   if (!web_contents_)
     return base::android::ScopedJavaLocalRef<jobject>();
@@ skipping 963 matching lines @@
     const JavaParamRef<jobject>& obj) {
   web_contents_->ResumeLoadingCreatedWebContents();
 }
 
 void SetShouldDownloadFavicons(JNIEnv* env,
                                const JavaParamRef<jclass>& jclazz) {
   g_should_download_favicons = true;
 }
 
 }  // namespace android_webview