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authordcheng@chromium.org <dcheng@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2013-04-09 08:46:45 +0000
committerdcheng@chromium.org <dcheng@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2013-04-09 08:46:45 +0000
commit007b3f812fc9c989fb99d4a668d8bd9c7807ad81 (patch)
tree43e69dd0f4e4dbbe68afb6319fa18cee07a4be64 /sync/internal_api/public/util/weak_handle_unittest.cc
parent2bde7e94eb8f402839145e48924391a5c645a554 (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 Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=193020 Review URL: https://codereview.chromium.org/13145003 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@193040 0039d316-1c4b-4281-b951-d872f2087c98
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