Change most uses of Pickle to base::Pickle

ipc/ipc_test_channel_listener.cc

 // Copyright 2014 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 "ipc/ipc_test_channel_listener.h"
 
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sender.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 14 matching lines @@
   char junk[kLongMessageStringNumBytes];
   memset(junk, 'a', sizeof(junk)-1);
   junk[sizeof(junk)-1] = 0;
   message->WriteString(std::string(junk));
 
   sender->Send(message);
 }
 
 
 bool TestChannelListener::OnMessageReceived(const IPC::Message& message) {
-  PickleIterator iter(message);
+  base::PickleIterator iter(message);
 
   int ignored;
   EXPECT_TRUE(iter.ReadInt(&ignored));
   std::string data;
   EXPECT_TRUE(iter.ReadString(&data));
   std::string big_string;
   EXPECT_TRUE(iter.ReadString(&big_string));
   EXPECT_EQ(kLongMessageStringNumBytes - 1, big_string.length());
 
   SendNextMessage();
   return true;
 }
 
 void TestChannelListener::OnChannelError() {
   // There is a race when closing the channel so the last message may be lost.
   EXPECT_LE(messages_left_, 1);
   base::MessageLoop::current()->Quit();
 }
 
 void TestChannelListener::SendNextMessage() {
   if (--messages_left_ <= 0)
     base::MessageLoop::current()->Quit();
   else
     SendOneMessage(sender_, "Foo");
 }
 
 }