Fix Acid3 Test 48: LINKTEST, Chromium side....

chrome/browser/visitedlink_event_listener.cc

+// Copyright (c) 2009 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/visitedlink_event_listener.h"
+
+#include "base/shared_memory.h"
+#include "chrome/browser/renderer_host/render_process_host.h"
+#include "chrome/common/render_messages.h"
+
+using base::Time;
+using base::TimeDelta;
+
+// The amount of time we wait to accumulate visited link additions.
+static const int kCommitIntervalMs = 100;
+
+void VisitedLinkEventListener::NewTable(base::SharedMemory* table_memory) {
+  if (!table_memory)
+    return;
+
+  // Send to all RenderProcessHosts.
+  for (RenderProcessHost::iterator i = RenderProcessHost::begin();
+       i != RenderProcessHost::end(); ++i) {
+    if (!i->second->HasConnection())
+      continue;
+
+    base::SharedMemoryHandle new_table;
+    base::ProcessHandle process = i->second->process().handle();
+    if (!process) {
+      // process can be null if it's started with the --single-process flag.
+      process = base::Process::Current().handle();
+    }
+
+    table_memory->ShareToProcess(process, &new_table);
+    i->second->Send(new ViewMsg_VisitedLink_NewTable(new_table));
+  }
+}
+
+void VisitedLinkEventListener::Add(VisitedLinkMaster::Fingerprint fingerprint) {
+  pending_visited_links_.push_back(fingerprint);
+
+  if (!coalesce_timer_.IsRunning()) {
+    coalesce_timer_.Start(
+        TimeDelta::FromMilliseconds(kCommitIntervalMs), this,
+        &VisitedLinkEventListener::CommitVisitedLinks);
+  }
+}
+
+void VisitedLinkEventListener::Reset() {
+  pending_visited_links_.clear();
+  coalesce_timer_.Stop();
+
+  // Send to all RenderProcessHosts.
+  for (RenderProcessHost::iterator i = RenderProcessHost::begin();
+       i != RenderProcessHost::end(); ++i) {
+    i->second->ResetVisitedLinks();
+  }
+}
+
+void VisitedLinkEventListener::CommitVisitedLinks() {
+  // Send to all RenderProcessHosts.
+  for (RenderProcessHost::iterator i = RenderProcessHost::begin();
+       i != RenderProcessHost::end(); ++i) {
+    i->second->AddVisitedLinks(pending_visited_links_);
+  }
+
+  pending_visited_links_.clear();
+}