Disallow redundant Bind calls.

content/browser/tracing/background_tracing_manager_browsertest.cc

 // Copyright 2015 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 <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 47 matching lines @@
     // the biggest window size, according to zlib.h
     int result = inflateInit2(&stream, 16 + MAX_WBITS);
     EXPECT_EQ(Z_OK, result);
     result = inflate(&stream, Z_FINISH);
     int bytes_written = kOutputBufferLength - stream.avail_out;
 
     inflateEnd(&stream);
     EXPECT_EQ(Z_STREAM_END, result);
 
     last_file_contents_.assign(output_str.data(), bytes_written);
-    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                            base::Bind(done_callback));
-    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                            base::Bind(callback_));
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, done_callback);
+    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, callback_);
   }
 
   bool TraceHasMatchingString(const char* str) {
     return last_file_contents_.find(str) != std::string::npos;
   }
 
   int get_receive_count() const { return receive_count_; }
 
   const BackgroundTracingManager::ReceiveCallback& get_receive_callback()
       const {
@@ skipping 1364 matching lines @@
     EXPECT_FALSE(
         BackgroundTracingManagerImpl::GetInstance()->IsTracingForTesting());
 
     run_loop.Run();
 
     EXPECT_TRUE(upload_config_wrapper.get_receive_count() == 1);
   }
 }
 
 }  // namespace content