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authorjar@chromium.org <jar@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2010-06-25 15:55:15 +0000
committerjar@chromium.org <jar@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2010-06-25 15:55:15 +0000
commitf2bc0cb52453bbca0c9b998994de8674f8a1e874 (patch)
tree5de676608035f4ace623512767c67d7b6a730a20 /base/histogram.h
parent8b97235beb506e6369d87a79cdd90c43e71d51c8 (diff)
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Do some minor cleanup in histogram.*
I was trying to debug some code, and noticed some excess complexity. There are no significant semantic changes. DCHECK on a foo.get() is a waste given we're about to deref the pointer. Execution cost should be be minially less, and we get rid of several lines of code. BUG=46263 r=mbelshe Review URL: http://codereview.chromium.org/2805033 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@50847 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/histogram.h')
-rw-r--r--base/histogram.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/base/histogram.h b/base/histogram.h
index a11e293..64ae9cb 100644
--- a/base/histogram.h
+++ b/base/histogram.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2010 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.
@@ -603,7 +603,8 @@ class StatisticsRecorder {
static void GetHistograms(Histograms* output);
// Find a histogram by name. It matches the exact name. This method is thread
- // safe.
+ // safe. If a matching histogram is not found, then the |histogram| is
+ // not changed.
static bool FindHistogram(const std::string& query,
scoped_refptr<Histogram>* histogram);