Add the ability to run tests with several sets of VM flags

tools/testing/architecture.py

Index: tools/testing/architecture.py
diff --git a/tools/testing/architecture.py b/tools/testing/architecture.py
index 7628ab2e1efb76a83baaac8f60dd816c935858db..7493bf6ed9de1833a7e2c473d7b3b7bebe81ae01 100755
--- a/tools/testing/architecture.py
+++ b/tools/testing/architecture.py
@@ -105,7 +105,6 @@ main() {
 
 
 # Patterns for matching test options in .dart files.
-VM_OPTIONS_PATTERN = re.compile(r"// VMOptions=(.*)")
 DART_OPTIONS_PATTERN = re.compile(r"// DartOptions=(.*)")
 
 # Pattern for checking if the test is a web test.
@@ -146,14 +145,8 @@ class Architecture(object):
     self.test = test;
     self.build_root = utils.GetBuildRoot(OS_GUESS, self.mode, self.arch)
     source = file(test).read()
-    self.vm_options = utils.ParseTestOptions(VM_OPTIONS_PATTERN,
-                                             source,
-                                             root_path)
-    if not self.vm_options: self.vm_options = []
-
-    self.dart_options = utils.ParseTestOptions(DART_OPTIONS_PATTERN,
-                                               source,
-                                               root_path)
+    self.vm_options = []
+    self.dart_options = []
     self.is_web_test = IsWebTest(test, source)
     self.temp_dir = None
 
@@ -448,4 +441,3 @@ def GetArchitecture(arch, mode, test):
 
   elif arch == 'dartc':
     return DartcArchitecture(root_path, arch, mode, test)
-