Remove implicit conversions from scoped_refptr to T* in mojo/

mojo/system/multiprocess_message_pipe_unittest.cc

 // Copyright 2013 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 <stdint.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <string>
 #include <vector>
@@ skipping 41 matching lines @@
     test_io_thread_.Start();
     test_io_thread_.PostTaskAndWait(
         FROM_HERE,
         base::Bind(&ChannelThread::InitChannelOnIOThread,
                    base::Unretained(this),
                    base::Passed(&platform_handle),
                    message_pipe));
   }
 
   void Stop() {
-    if (channel_) {
+    if (channel_.get()) {
       // Hack to flush write buffers before quitting.
       // TODO(vtl): Remove this once |Channel| has a
       // |FlushWriteBufferAndShutdown()| (or whatever).
       while (!channel_->IsWriteBufferEmpty())
         base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20));
 
       test_io_thread_.PostTaskAndWait(
           FROM_HERE,
           base::Bind(&ChannelThread::ShutdownChannelOnIOThread,
                      base::Unretained(this)));
@@ skipping 18 matching lines @@
     // receive/process messages (which it can do as soon as it's hooked up to
     // the IO thread message loop, and that message loop runs) before the
     // message pipe endpoint is attached.
     CHECK_EQ(channel_->AttachMessagePipeEndpoint(message_pipe, 1),
              Channel::kBootstrapEndpointId);
     CHECK(channel_->RunMessagePipeEndpoint(Channel::kBootstrapEndpointId,
                                            Channel::kBootstrapEndpointId));
   }
 
   void ShutdownChannelOnIOThread() {
-    CHECK(channel_);
+    CHECK(channel_.get());
     channel_->Shutdown();
     channel_ = NULL;
   }
 
   embedder::PlatformSupport* const platform_support_;
   test::TestIOThread test_io_thread_;
   scoped_refptr<Channel> channel_;
 
   DISALLOW_COPY_AND_ASSIGN(ChannelThread);
 };
@@ skipping 323 matching lines @@
   Init(mp);
 
   // Make a shared buffer.
   scoped_refptr<SharedBufferDispatcher> dispatcher;
   EXPECT_EQ(MOJO_RESULT_OK,
             SharedBufferDispatcher::Create(
                 platform_support(),
                 SharedBufferDispatcher::kDefaultCreateOptions,
                 100,
                 &dispatcher));
-  ASSERT_TRUE(dispatcher);
+  ASSERT_TRUE(dispatcher.get());
 
   // Make a mapping.
   scoped_ptr<embedder::PlatformSharedBufferMapping> mapping;
   EXPECT_EQ(MOJO_RESULT_OK,
             dispatcher->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping));
   ASSERT_TRUE(mapping);
   ASSERT_TRUE(mapping->GetBase());
   ASSERT_EQ(100u, mapping->GetLength());
 
   // Send the shared buffer.
@@ skipping 174 matching lines @@
   EXPECT_EQ(0u, hss.satisfiable_signals);
 
   mp->Close(0);
 
   EXPECT_EQ(0, helper()->WaitForChildShutdown());
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo