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authordcheng@chromium.org <dcheng@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2013-04-09 05:45:17 +0000
committerdcheng@chromium.org <dcheng@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2013-04-09 05:45:17 +0000
commite59558b78e8c6a1b0bd916a724724b638c3c91b6 (patch)
tree712268a7e9e1cd552f309d89641b2bed5ad06322 /chrome/browser/feedback/feedback_util.cc
parent31fcd34da3797bc49160620ef8c94a38652c0587 (diff)
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Rewrite std::string("") to std::string(), Linux edition.
This patch was generated by running the empty_string clang tool across the Chromium Linux compilation database. Implicitly or explicitly constructing std::string() with a "" argument is inefficient as the caller needs to emit extra instructions to pass an argument, and the constructor needlessly copies a byte into internal storage. Rewriting these instances to simply call the default constructor appears to save ~14-18 kilobytes on an optimized release build. BUG=none Review URL: https://codereview.chromium.org/13145003 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@193020 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/browser/feedback/feedback_util.cc')
-rw-r--r--chrome/browser/feedback/feedback_util.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/chrome/browser/feedback/feedback_util.cc b/chrome/browser/feedback/feedback_util.cc
index 7133c60..f892a87 100644
--- a/chrome/browser/feedback/feedback_util.cc
+++ b/chrome/browser/feedback/feedback_util.cc
@@ -283,7 +283,7 @@ void FeedbackUtil::SendReport(scoped_refptr<FeedbackData> data) {
// CHROMEOS_RELEASE_VERSION from /etc/lsb-release
#if !defined(OS_CHROMEOS)
// Add OS version (eg, for WinXP SP2: "5.1.2600 Service Pack 2").
- std::string os_version = "";
+ std::string os_version;
SetOSVersion(&os_version);
AddFeedbackData(&feedback_data, std::string(kOsVersionTag), os_version);
#endif