Android WebView visited link highlighting implementation part 1

android_webview/browser/aw_browser_context.cc

 // Copyright (c) 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/browser/aw_browser_context.h"
 
 #include "android_webview/browser/net/aw_url_request_context_getter.h"
+#include "components/visitedlink/browser/visitedlink_master.h"
+#include "content/public/browser/web_contents.h"
 
 namespace android_webview {
 
 AwBrowserContext::AwBrowserContext(
     const FilePath path,
     GeolocationPermissionFactoryFn* geolocation_permission_factory)
     : context_storage_path_(path),
       geolocation_permission_factory_(geolocation_permission_factory) {
 }
 
 AwBrowserContext::~AwBrowserContext() {
 }
 
+// static
+AwBrowserContext* AwBrowserContext::FromWebContents(
+    content::WebContents* web_contents) {
+  // This is safe; this is the only implementation of the browser context.
+  return static_cast<AwBrowserContext*>(web_contents->GetBrowserContext());
+}
+
 void AwBrowserContext::InitializeBeforeThreadCreation() {
   DCHECK(!url_request_context_getter_);
   url_request_context_getter_ = new AwURLRequestContextGetter(this);
 }
 
+void AwBrowserContext::PreMainMessageLoopRun() {
+  visitedlink_master_.reset(
+      new components::VisitedLinkMaster(this, this, false));
+  visitedlink_master_->Init();
+}
+
+void AwBrowserContext::AddVisitedURL(const GURL& url) {
+  DCHECK(visitedlink_master_);
+  visitedlink_master_->AddURL(url);
+}
+
+void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
+  DCHECK(visitedlink_master_);
+  visitedlink_master_->AddURLs(urls);
+}
+
 FilePath AwBrowserContext::GetPath() {
   return context_storage_path_;
 }
 
 bool AwBrowserContext::IsOffTheRecord() const {
   // Android WebView does not support off the record profile yet.
   return false;
 }
 
 net::URLRequestContextGetter* AwBrowserContext::GetRequestContext() {
@@ skipping 53 matching lines @@
   // By default allows profanities in speech recognition if return NULL.
   return NULL;
 }
 
 quota::SpecialStoragePolicy* AwBrowserContext::GetSpecialStoragePolicy() {
   // TODO(boliu): Implement this so we are not relying on default behavior.
   NOTIMPLEMENTED();
   return NULL;
 }
 
+void AwBrowserContext::RebuildTable(
+    const scoped_refptr<URLEnumerator>& enumerator) {
+  // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
+  // can change in the lifetime of this WebView and may not yet be set here.
+  // Therefore this initialization path is not used.
+  enumerator->OnComplete(true);
+}
+
 }  // namespace android_webview