Revert 98539

Revert 98539

Test fails consistently on Linux Views bots:

PrerenderBrowserTest.PrerenderVisibilityBackgroundTab: 
[6686:6686:0826/200949:368667468:WARNING:zygote_host_linux.cc(148)] Running without the SUID sandbox! See http://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more information on developing with the sandbox on.
[6686:6686:0826/200949:368753313:WARNING:proxy_config_service_impl.cc(654)] Error retrieving proxy setting from device
[6686:6686:0826/200949:368754972:WARNING:wm_ipc.cc(311)] Missing _CHROME_LAYOUT_MODE property on root window
[6686:6691:0826/200949:368757012:INFO:gl_implementation.cc(94)] Using desktop GL implementation.
[6686:6691:0826/200949:368762612:ERROR:gl_surface_glx.cc(64)] GLX 1.3 or later is required.
[6686:6691:0826/200949:368762779:ERROR:gl_surface_linux.cc(73)] GLSurfaceGLX::InitializeOneOff failed.
[6686:6691:0826/200949:368762962:ERROR:gpu_info_collector_linux.cc(216)] gfx::GLContext::InitializeOneOff() failed
[6686:6686:0826/200949:368808876:ERROR:timezone_settings.cc(61)] GetTimezoneID: Cannot read timezone symlink /var/lib/timezone/localtime
[6686:6686:0826/200949:368808913:ERROR:timezone_settings.cc(141)] Got an empty string for timezone, default to America/Los_Angeles
[6686:6686:0826/200949:368816216:WARNING:input_method_manager.cc(146)] No active input methods found.
[6686:6686:0826/200949:368818013:WARNING:input_method_manager.cc(146)] No active input methods found.
[6686:6686:0826/200949:368818259:WARNING:input_method_manager.cc(146)] No active input methods found.
[6686:6686:0826/200950:369084812:WARNING:native_widget_gtk.cc(418)] compositing not supported; allowing anyway
chrome/browser/prerender/prerender_browsertest.cc:680: Failure
Value of: display_test_result
  Actual: false
Expected: true

- Deflake PrerenderExcessiveMemory, fixing a race in setting 
the visibility state of prerendered RenderViews in the 
process.

Also add some more visibility API tests that would have
reliably failed when losing the fixed race.


BUG=93081
TEST=PrerenderBrowserTest.PrerenderExcessiveMemory. PrerenderBrowserTest.PrerenderInfiniteLoop

Review URL: http://codereview.chromium.org/7693029

TBR=mmenke@chromium.org
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=98545