Add Chrome version check decorators

tools/chrome_proxy/webdriver/decorator_smoke.py

Index: tools/chrome_proxy/webdriver/decorator_smoke.py
diff --git a/tools/chrome_proxy/webdriver/decorator_smoke.py b/tools/chrome_proxy/webdriver/decorator_smoke.py
index bf2f82ffa09a6f78fa1118f57aa486a416337647..0441798c350f70e2b0ac49de9a2471357c70b218 100644
--- a/tools/chrome_proxy/webdriver/decorator_smoke.py
+++ b/tools/chrome_proxy/webdriver/decorator_smoke.py
@@ -3,6 +3,8 @@
 # found in the LICENSE file.
 
 from decorators import AndroidOnly
+from decorators import ChromeVersionAfterM
+from decorators import ChromeVersionBeforeM
 from common import ParseFlags
 from common import IntegrationTest
 
@@ -19,6 +21,15 @@ class DecoratorSmokeTest(IntegrationTest):
     if not ParseFlags().android:
       self.AndroidOnlyFunction()
 
+  @ChromeVersionBeforeM(0)

[bengr, 2017/05/05 17:53:28]

Hmm. Maybe call this ChromeMaximumMilestone or ChromeMaxMilestone?

+  def testVersionBeforeDecorator(self):
+    self.fail('This function should not be called when the Chrome Milestone is '
+      'greater than 0')
+
+  @ChromeVersionAfterM(999999999)
+  def testVersionAfterDecorator(self):
+    self.fail('This function should not be called when the Chrome Milestone is '
+      'less than 999999999')
 
 if __name__ == '__main__':
   IntegrationTest.RunAllTests()