Remove HistoryPublisher code.

chrome/browser/history/page_collector.cc

Index: chrome/browser/history/page_collector.cc
diff --git a/chrome/browser/history/page_collector.cc b/chrome/browser/history/page_collector.cc
deleted file mode 100644
index da07ad1ed552e201012b4bd29300234f151ff409..0000000000000000000000000000000000000000
--- a/chrome/browser/history/page_collector.cc
+++ /dev/null
@@ -1,157 +0,0 @@
-// Copyright (c) 2013 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/history/page_collector.h"
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/history/history_publisher.h"
-#include "url/gurl.h"
-
-namespace {
-
-// Page info older than this will be published even if we haven't
-// gotten a title and/or body.
-const int kExpirationSeconds = 20;
-
-}  // namespace
-
-namespace history {
-
-// PageCollector::PageInfo -----------------------------------------------
-
-PageCollector::PageInfo::PageInfo(base::Time visit_time)
-    : visit_time_(visit_time),
-      added_time_(base::TimeTicks::Now()) {
-}
-
-PageCollector::PageInfo::~PageInfo() {}
-
-// NOTE(shess): Per the comment on has_title() and has_body(), this
-// code maps empty strings to single space to differentiate set title
-// and body from empty.  This approach is held over from the original
-// TextDatabaseManager version.
-void PageCollector::PageInfo::set_title(const string16& ttl) {
-  if (ttl.empty())
-    title_ = ASCIIToUTF16(" ");
-  else
-    title_ = ttl;
-}
-
-void PageCollector::PageInfo::set_body(const string16& bdy) {
-  if (bdy.empty())
-    body_ = ASCIIToUTF16(" ");
-  else
-    body_ = bdy;
-}
-
-bool PageCollector::PageInfo::Expired(base::TimeTicks now) const {
-  return now - added_time_ > base::TimeDelta::FromSeconds(kExpirationSeconds);
-}
-
-PageCollector::PageCollector()
-    : recent_changes_(RecentChangeList::NO_AUTO_EVICT),
-      weak_factory_(this) {
-}
-
-PageCollector::~PageCollector() {
-}
-
-void PageCollector::Init(const HistoryPublisher* history_publisher) {
-  history_publisher_ = history_publisher;
-}
-
-void PageCollector::AddPageURL(const GURL& url, base::Time time) {
-  // Don't collect data which cannot be published.
-  if (!history_publisher_)
-    return;
-
-  // Just save this info for later (evicting any previous data). We
-  // will delete it when it expires or when all the data is complete.
-  recent_changes_.Put(url, PageInfo(time));
-
-  // Schedule flush if not already scheduled.
-  if (!weak_factory_.HasWeakPtrs())
-    ScheduleFlushCollected();
-}
-
-void PageCollector::AddPageTitle(const GURL& url, const string16& title) {
-  if (!history_publisher_)
-    return;
-
-  // If the title comes in after the page has aged out, drop it.
-  // Older code would manufacture information from the database.
-  RecentChangeList::iterator found = recent_changes_.Peek(url);
-  if (found == recent_changes_.end())
-    return;
-
-  // Publish the info if complete.
-  if (found->second.has_body()) {
-    history_publisher_->PublishPageContent(
-        found->second.visit_time(), url, title, found->second.body());
-    recent_changes_.Erase(found);
-  } else {
-    found->second.set_title(title);
-  }
-}
-
-void PageCollector::AddPageContents(const GURL& url,
-                                    const string16& body) {
-  if (!history_publisher_)
-    return;
-
-  // If the body comes in after the page has aged out, drop it.
-  // Older code would manufacture information from the database.
-  RecentChangeList::iterator found = recent_changes_.Peek(url);
-  if (found == recent_changes_.end())
-    return;
-
-  // Publish the info if complete.
-  if (found->second.has_title()) {
-    history_publisher_->PublishPageContent(
-        found->second.visit_time(), url, found->second.title(), body);
-    recent_changes_.Erase(found);
-  } else {
-    found->second.set_body(body);
-  }
-}
-
-void PageCollector::AddPageData(const GURL& url,
-                                base::Time visit_time,
-                                const string16& title,
-                                const string16& body) {
-  if (!history_publisher_)
-    return;
-
-  // Publish the item.
-  history_publisher_->PublishPageContent(visit_time, url, title, body);
-}
-
-void PageCollector::ScheduleFlushCollected() {
-  weak_factory_.InvalidateWeakPtrs();
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&PageCollector::FlushCollected,
-                 weak_factory_.GetWeakPtr()),
-      base::TimeDelta::FromSeconds(kExpirationSeconds));
-}
-
-void PageCollector::FlushCollected() {
-  base::TimeTicks now = base::TimeTicks::Now();
-
-  // Iterate from oldest to newest publishing items which expire while
-  // waiting for title or body.
-  RecentChangeList::reverse_iterator iter = recent_changes_.rbegin();
-  while (iter != recent_changes_.rend() && iter->second.Expired(now)) {
-    AddPageData(iter->first, iter->second.visit_time(),
-                iter->second.title(), iter->second.body());
-    iter = recent_changes_.Erase(iter);
-  }
-
-  if (!recent_changes_.empty())
-    ScheduleFlushCollected();
-}
-
-}  // namespace history