Disallow redundant Bind calls.

content/browser/tracing/background_tracing_manager_browsertest.cc

Index: content/browser/tracing/background_tracing_manager_browsertest.cc
diff --git a/content/browser/tracing/background_tracing_manager_browsertest.cc b/content/browser/tracing/background_tracing_manager_browsertest.cc
index ecb55f259fdd9318472e7712c04dc62609c34849..f2cfb53f73745a59b26e2d229cc6b5b5d0ed0d29 100644
--- a/content/browser/tracing/background_tracing_manager_browsertest.cc
+++ b/content/browser/tracing/background_tracing_manager_browsertest.cc
@@ -65,10 +65,8 @@ class BackgroundTracingManagerUploadConfigWrapper {
     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) {