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* Facilitate a FieldTrial in the rendererjar@chromium.org2009-05-201-0/+17
| | | | | | | | | | | | | | | | | | | | | | | I added a command line for the renderer that accepts a FieldTrial name and value, and forces that value to be activated in the renderer. As a result, any FieldTrial setting that is specified by the browser process can be set (forced) in the renderer process. Such settings can then be used to establish names of histograms, which means all processes can work in sync on a single field trial (and generate data). This should allow A/B tests to be run that modulate the page load times. Dave: Please review/confirm that you are happy with the changes to render_view.cc. Note that all I did was change the names and limits for the histograms (they now go up to 3 minutes). The MakeName() allows me to get an A/B test of the impact of DNS pre-resolution. Mike: Please review the code for passing along switch settings. r=davemoore,mbelshe Review URL: http://codereview.chromium.org/115525 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16460 0039d316-1c4b-4281-b951-d872f2087c98
* Add a FieldTrial and histograms for measuring impact of http prioritization.willchan@chromium.org2009-04-201-1/+1
| | | | | | | | | Currently this FieldTrial is measuring the transaction latencies of requests, separated into frame/subframe requests vs subresource requests. We run a 2% holdback experiment where the people in the holdback don't have http prioritization enabled. Add class static method to ResourceDispatcherHost to disable http prioritization. BUG=10486 Review URL: http://codereview.chromium.org/67119 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14040 0039d316-1c4b-4281-b951-d872f2087c98
* Attempt to detect impact of disabling dns prefetching on transaction latencyjar@chromium.org2009-03-231-2/+9
| | | | | | | | | This is also meant to exercise the field trial infrastructure. r=mbelshe Review URL: http://codereview.chromium.org/50084 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12271 0039d316-1c4b-4281-b951-d872f2087c98
* Lint fix in commentjar@chromium.org2009-03-031-2/+2
| | | | | | | tbr=mbelshe Review URL: http://codereview.chromium.org/27369 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10770 0039d316-1c4b-4281-b951-d872f2087c98
* Improve comments in FieldTrial class.jar@chromium.org2009-03-021-13/+7
| | | | | | | tbr=mbelshe Review URL: http://codereview.chromium.org/28334 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10743 0039d316-1c4b-4281-b951-d872f2087c98
* Fix linux tree (move static const definition out of class and into cc file)jar@chromium.org2009-03-021-1/+1
| | | | | | | TBR=mbelshe Review URL: http://codereview.chromium.org/27341 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10716 0039d316-1c4b-4281-b951-d872f2087c98
* Renovate FieldTrial class to better bit with histogram usage.jar@chromium.org2009-03-021-22/+122
| | | | | | | r=mbelshe Review URL: http://codereview.chromium.org/28226 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@10714 0039d316-1c4b-4281-b951-d872f2087c98
* Decrements FieldTrialList::constructor_count_ in the destructor. I'msky@google.com2009-01-231-4/+0
| | | | | | | | | | | | | going to run ui tests in process and call BrowserMain multiple times. That means FieldTrialList's constructor is run multiple times. Without this decrement, the constructor isn't happy. BUG=none TEST=none Review URL: http://codereview.chromium.org/18535 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8554 0039d316-1c4b-4281-b951-d872f2087c98
* Move Time, TimeDelta and TimeTicks into namespace base.dsh@google.com2008-10-271-3/+3
| | | | | | Review URL: http://codereview.chromium.org/7995 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@4022 0039d316-1c4b-4281-b951-d872f2087c98
* Clean up filter and content encoding handling jar@google.com2008-10-271-1/+4
| | | | | | | | | | | | | | | | Centralize translation functions (text of "Content-Encoding" to enum) in filter.cc Centralize error recovery (for damaged content encoding headers) in filter.cc Error recovery includes a loss of SDCH encoding headers, plus handling of Apache server bug with gzip files are tagged as also being gzip encoded. Centralize and add a pile of unit tests to this filter code. r=openvcdiff,huanr Review URL: http://codereview.chromium.org/8018 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@4004 0039d316-1c4b-4281-b951-d872f2087c98
* Construct a field trial to see if HIGH or MEDIUM memory model "works better"jar@google.com2008-10-191-0/+92
Includes definition of a FieldTrial class to support this. I have thoughts in my head about how this will eventually extend to be controllable via UMA (as well as being able to run tests defined at compile time, as was done in this example. r=mbelshe, mmentovai Review URL: http://codereview.chromium.org/7638 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@3604 0039d316-1c4b-4281-b951-d872f2087c98
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