Get rid of factory json files in benchmark_runner

Get rid of factory json files in benchmark_runner
https://bugs.webkit.org/show_bug.cgi?id=146175

Patch by Dewei Zhu <dewei_zhu@apple.com> on 2015-06-22
Reviewed by Ryosuke Niwa.

Get rid of factory json files in benchmark_runner and refactoring the code.

* Scripts/webkitpy/benchmark_runner/benchmark_builder/__init__.py:
(benchmark_builder_loader):
* Scripts/webkitpy/benchmark_runner/benchmark_builder/benchmark_builder_factory.py:
(BenchmarkBuilderFactory):
* Scripts/webkitpy/benchmark_runner/benchmark_builder/benchmark_builders.json: Removed.
* Scripts/webkitpy/benchmark_runner/benchmark_builder/generic_benchmark_builder.py:
(GenericBenchmarkBuilder):
* Scripts/webkitpy/benchmark_runner/benchmark_runner.py:
(BenchmarkRunner.__init__):
(BenchmarkRunner.execute):
* Scripts/webkitpy/benchmark_runner/browser_driver/__init__.py:
(browser_driver_loader):
* Scripts/webkitpy/benchmark_runner/browser_driver/browser_driver.py:
(BrowserDriver):
* Scripts/webkitpy/benchmark_runner/browser_driver/browser_driver_factory.py:
(BrowserDriverFactory):
(BrowserDriverFactory.available_platforms):
(BrowserDriverFactory.available_browsers):
(BrowserDriverFactory.add_browser_driver):
(BrowserDriverFactory.create):
* Scripts/webkitpy/benchmark_runner/browser_driver/browser_drivers.json: Removed.
* Scripts/webkitpy/benchmark_runner/browser_driver/osx_browser_driver.py:
(OSXBrowserDriver):
(OSXBrowserDriver.prepareEnv):
(OSXBrowserDriver.terminateProcesses):
(OSXBrowserDriver.screenSize):
* Scripts/webkitpy/benchmark_runner/browser_driver/osx_chrome_driver.py:
(OSXChromeDriver):
(OSXChromeCanaryDriver):
* Scripts/webkitpy/benchmark_runner/browser_driver/osx_firefox_driver.py:
(OSXFirefoxDriver):
(OSXFirefoxNightlyDriver):
* Scripts/webkitpy/benchmark_runner/browser_driver/osx_safari_driver.py:
(OSXSafariDriver):
* Scripts/webkitpy/benchmark_runner/generic_factory.py:
(GenericFactory.create):
(GenericFactory.add):
(GenericFactory.iterateGetItem): Deleted.
* Scripts/webkitpy/benchmark_runner/http_server_driver/__init__.py:
(http_server_driver_loader):
* Scripts/webkitpy/benchmark_runner/http_server_driver/http_server_driver.py:
(HTTPServerDriver):
* Scripts/webkitpy/benchmark_runner/http_server_driver/http_server_driver_factory.py:
(HTTPServerDriverFactory):
* Scripts/webkitpy/benchmark_runner/http_server_driver/http_server_drivers.json: Removed.
* Scripts/webkitpy/benchmark_runner/http_server_driver/simple_http_server_driver.py:
(SimpleHTTPServerDriver):
* Scripts/webkitpy/benchmark_runner/utils.py:
(is_subclass):
(load_subclasses):
(ModuleNotFoundError): Deleted.
(loadModule): Deleted.
(loadJSONFromFile): Deleted.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@185859 268f45cc-cd09-0410-ab3c-d52691b4dbfc