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

ppapi/proxy/ppb_var_unittest.cc

 // Copyright (c) 2011 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 <string>
 #include <vector>
 
 #include "base/string_number_conversions.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_var.h"
 #include "ppapi/proxy/ppapi_proxy_test.h"
 
 // TODO(dmichael): Make PPB_Var_Proxy and PluginResourceTracker thread-safe and
 // add thread-safety tests here.
 
 namespace {
 std::string VarToString(const PP_Var& var, const PPB_Var* ppb_var) {
   uint32_t len = 0;
   const char* utf8 = ppb_var->VarToUtf8(var, &len);
   return std::string(utf8, len);
 }
 }  // namespace
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 class PPB_VarTest : public PluginProxyTest {
  public:
   PPB_VarTest() {}
 };
 
 TEST_F(PPB_VarTest, Strings) {
   const PPB_Var* ppb_var = static_cast<const PPB_Var*>(
       plugin_dispatcher()->GetInterfaceFromDispatcher(PPB_VAR_INTERFACE));
@@ skipping 31 matching lines @@
   for (int i = 0; i < kNumStrings; ++i) {
     ppb_var->Release(vars[i]);
     uint32_t len = 10;
     const char* utf8 = ppb_var->VarToUtf8(vars[i], &len);
     EXPECT_EQ(NULL, utf8);
     EXPECT_EQ(0u, len);
   }
 }
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi