Added gflags switches: duration, tests, save, out.
Added saving images after a testcase is finished.
Updated power_Draw control file.

Checking against golden images will be done outside from a python script.

Review URL: http://codereview.chromium.org/2794002
diff --git a/client/deps/glbench/src/yuvtest.cc b/client/deps/glbench/src/yuvtest.cc
index 2ae23ab..34e1827 100644
--- a/client/deps/glbench/src/yuvtest.cc
+++ b/client/deps/glbench/src/yuvtest.cc
@@ -24,6 +24,7 @@
     glDeleteTextures(arraysize(textures_), textures_);
   }
   virtual bool Run();
+  virtual const char* Name() const { return "yuv_to_rgb"; }
 
   enum YuvTestFlavor {
     YUV_PLANAR_ONE_TEXTURE_SLOW,