Backed out 2 changesets (bug 1414401) for almost perma failing webdriver's /webdriver/tests/actions/key_shortcuts.py on Linux 32-bit. r=backout

Backed out changeset 331c5f0d914e (bug 1414401)
Backed out changeset 34708561a45c (bug 1414401)

taskcluster/ci/test/test-sets.yml

@@ -300,7 +300,6 @@ linux32-tests:
     - reftest-no-accel
     - web-platform-tests
     - web-platform-tests-reftests
-    - web-platform-tests-wdspec
     - xpcshell
 
 linux32-opt-tests:

toolkit/moz.configure

@@ -1114,8 +1114,9 @@ option('--enable-geckodriver', help='Enable WebDriver implementation')
          'MOZ_AUTOMATION',
          compile_environment,
          cross_compiling,
-         hazard_analysis)
-def geckodriver(enable, automation, compile_env, cross_compile, hazard):
+         hazard_analysis,
+         target)
+def geckodriver(enable, automation, compile_env, cross_compile, hazard, target):
     """
     geckodriver is implied on supported platforms when MOZ_AUTOMATION
     is set, but we also provide the --enable-geckodriver option for
@@ -1133,7 +1134,8 @@ def geckodriver(enable, automation, compile_env, cross_compile, hazard):
         return True
 
     if enable.origin == 'default':
-        broken_platforms = cross_compile or hazard
+        linux32 = target.kernel == 'Linux' and target.cpu == 'x86'
+        broken_platforms = cross_compile or linux32 or hazard
 
         if automation and compile_env and not broken_platforms:
             return True