Convert the pp::proxy namespace to the ppapi::proxy namespace.

ppapi/proxy/plugin_dispatcher.cc

Index: ppapi/proxy/plugin_dispatcher.cc
diff --git a/ppapi/proxy/plugin_dispatcher.cc b/ppapi/proxy/plugin_dispatcher.cc
index fea4de6fcb93c9226e7dc62b913755e4d5985b1e..74124629ac743fd4822fc6118e59ca2c728d8f2f 100644
--- a/ppapi/proxy/plugin_dispatcher.cc
+++ b/ppapi/proxy/plugin_dispatcher.cc
@@ -32,9 +32,7 @@
 #include "ipc/ipc_channel_posix.h"
 #endif
 
-using ppapi::Resource;
-
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 namespace {
@@ -56,8 +54,7 @@ PluginDispatcher::PluginDispatcher(base::ProcessHandle remote_process_handle,
   // GetInterface call or name for it, so we insert it into our table now.
   target_proxies_[INTERFACE_ID_PPP_CLASS].reset(new PPP_Class_Proxy(this));
 
-  ::ppapi::TrackerBase::Init(
-      &PluginResourceTracker::GetTrackerBaseInstance);
+  TrackerBase::Init(&PluginResourceTracker::GetTrackerBaseInstance);
 }
 
 PluginDispatcher::~PluginDispatcher() {
@@ -233,13 +230,12 @@ bool PluginDispatcher::SendToBrowser(IPC::Message* msg) {
   return plugin_delegate_->SendToBrowser(msg);
 }
 
-ppapi::WebKitForwarding* PluginDispatcher::GetWebKitForwarding() {
+WebKitForwarding* PluginDispatcher::GetWebKitForwarding() {
   return plugin_delegate_->GetWebKitForwarding();
 }
 
-::ppapi::FunctionGroupBase* PluginDispatcher::GetFunctionAPI(
-    pp::proxy::InterfaceID id) {
-  scoped_ptr< ::ppapi::FunctionGroupBase >& proxy = function_proxies_[id];
+FunctionGroupBase* PluginDispatcher::GetFunctionAPI(InterfaceID id) {
+  scoped_ptr<FunctionGroupBase >& proxy = function_proxies_[id];
 
   if (proxy.get())
     return proxy.get();
@@ -302,7 +298,7 @@ void PluginDispatcher::OnMsgSupportsInterface(
   *result = true;
 }
 
-void PluginDispatcher::OnMsgSetPreferences(const ::ppapi::Preferences& prefs) {
+void PluginDispatcher::OnMsgSetPreferences(const Preferences& prefs) {
   // The renderer may send us preferences more than once (currently this
   // happens every time a new plugin instance is created). Since we don't have
   // a way to signal to the plugin that the preferences have changed, changing
@@ -317,4 +313,4 @@ void PluginDispatcher::OnMsgSetPreferences(const ::ppapi::Preferences& prefs) {
 }
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi