PPB_HostResolver_Private is switched to the new Pepper proxy.

content/browser/renderer_host/pepper/pepper_host_resolver_private_host.cc

Index: content/browser/renderer_host/pepper/pepper_host_resolver_private_host.cc
diff --git a/content/browser/renderer_host/pepper/pepper_host_resolver_private_host.cc b/content/browser/renderer_host/pepper/pepper_host_resolver_private_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f91c376830ae0b339ee911dbd87395ea30e04419
--- /dev/null
+++ b/content/browser/renderer_host/pepper/pepper_host_resolver_private_host.cc
@@ -0,0 +1,138 @@
+// 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 "content/browser/renderer_host/pepper/pepper_host_resolver_private_host.h"
+
+#include "base/logging.h"
+#include "base/time.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_ppapi_host.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/browser/resource_context.h"
+#include "net/base/host_resolver.h"
+#include "ppapi/c/private/ppb_host_resolver_private.h"
+#include "ppapi/c/private/ppb_net_address_private.h"
+#include "ppapi/host/dispatch_host_message.h"
+#include "ppapi/host/ppapi_host.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/shared_impl/private/ppb_host_resolver_shared.h"
+
+namespace content {
+
+namespace {
+
+// Delay for resolve requests until host resolver is ready.
+const int kHostResolverWaitingTimeoutMs = 100;
+
+ResourceContext* GetResourceContext(RenderProcessHost* render_process_host) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  BrowserContext* browser_context = render_process_host->GetBrowserContext();
+  if (!browser_context)
+    return NULL;
+  return browser_context->GetResourceContext();
+}
+
+}  // namespace
+
+PepperHostResolverPrivateHost::PepperHostResolverPrivateHost(
+    BrowserPpapiHost* host,
+    PP_Instance instance,
+    PP_Resource resource)
+    : ResourceHost(host->GetPpapiHost(), instance, resource),
+      host_resolver_(NULL),
+      host_resolver_is_ready_(false),
+      weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+  DCHECK(host);
+
+  host->PostOnUIThreadWithRenderProcessAndReply(
+      FROM_HERE,
+      instance,
+      base::Bind(&GetResourceContext),
+      base::Bind(&PepperHostResolverPrivateHost::SetHostResolver,
+                 weak_factory_.GetWeakPtr()));
+}
+
+PepperHostResolverPrivateHost::~PepperHostResolverPrivateHost() {
+}
+
+int32_t PepperHostResolverPrivateHost::OnResourceMessageReceived(
+    const IPC::Message& msg,
+    ppapi::host::HostMessageContext* context) {
+  IPC_BEGIN_MESSAGE_MAP(PepperHostResolverPrivateHost, msg)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(
+        PpapiHostMsg_HostResolverPrivate_Resolve,
+        OnMsgResolve)
+  IPC_END_MESSAGE_MAP()
+  return PP_ERROR_FAILED;
+}
+
+void PepperHostResolverPrivateHost::HostResolverSendReply(
+    bool succeeded,
+    const std::string& canonical_name,
+    const std::vector<PP_NetAddress_Private>& net_address_list,
+    const BoundInfo& bound_info) {
+  host()->SendReply(bound_info.reply_context,
+                    PpapiPluginMsg_HostResolverPrivate_ResolveReply(
+                        true, canonical_name, net_address_list));
+}
+
+void PepperHostResolverPrivateHost::HostResolverSendError(
+    const BoundInfo& bound_info) {
+  host()->SendReply(bound_info.reply_context,
+                    PpapiPluginMsg_HostResolverPrivate_ResolveReply(
+                        false, "", std::vector<PP_NetAddress_Private>()));
+}
+
+net::HostResolver* PepperHostResolverPrivateHost::GetHostResolver() {
+  return host_resolver_;
+}
+
+void PepperHostResolverPrivateHost::SetHostResolver(
+    ResourceContext* resource_context) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+
+  host_resolver_is_ready_ = true;
+  if (resource_context)
+    host_resolver_ = resource_context->GetHostResolver();
+}
+
+int32_t PepperHostResolverPrivateHost::OnMsgResolve(
+    const ppapi::host::HostMessageContext* context,
+    const ppapi::HostPortPair& host_port,
+    const PP_HostResolver_Private_Hint& hint) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+
+  ppapi::host::ReplyMessageContext reply_context =
+      context->MakeReplyMessageContext();
+
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&PepperHostResolverPrivateHost::Resolve,
+                 weak_factory_.GetWeakPtr(), reply_context, host_port, hint));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+void PepperHostResolverPrivateHost::Resolve(
+    const ppapi::host::ReplyMessageContext& context,
+    const ppapi::HostPortPair& host_port,
+    const PP_HostResolver_Private_Hint& hint) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+
+  if (!host_resolver_is_ready()) {
+    BrowserThread::PostDelayedTask(
+        BrowserThread::IO,
+        FROM_HERE,
+        base::Bind(&PepperHostResolverPrivateHost::Resolve,
+                   weak_factory_.GetWeakPtr(),
+                   context, host_port, hint),
+        base::TimeDelta::FromMilliseconds(kHostResolverWaitingTimeoutMs));
+    return;
+  }
+  HostResolverResolve(BoundInfo(context), host_port, hint);
+}
+
+}  // namespace content