Add support for content unit tests to memory bot scripts

tools/heapcheck/chrome_tests.py

Index: tools/heapcheck/chrome_tests.py
diff --git a/tools/heapcheck/chrome_tests.py b/tools/heapcheck/chrome_tests.py
index 8f2c216bdedf618d9878fc6d3f33bf64005038ab..cc13703854a7baa5af44af8da5b4496f1f24bf08 100755
--- a/tools/heapcheck/chrome_tests.py
+++ b/tools/heapcheck/chrome_tests.py
@@ -83,6 +83,7 @@ class ChromeTests(object):
       "browser": self.TestBrowser,      "browser_tests": self.TestBrowser,
       "crypto": self.TestCrypto,        "crypto_unittests": self.TestCrypto,
       "googleurl": self.TestGURL,       "googleurl_unittests": self.TestGURL,
+      "content": self.TestContent,      "content_unittests": self.TestContent,
       "courgette": self.TestCourgette,
       "courgette_unittests": self.TestCourgette,
       "ipc": self.TestIpc,              "ipc_tests": self.TestIpc,
@@ -262,6 +263,9 @@ class ChromeTests(object):
   def TestGURL(self):
     return self.SimpleTest("chrome", "googleurl_unittests")
 
+  def TestContent(self):
+    return self.SimpleTest("content", "content_unittests")
+
   def TestCourgette(self):
     return self.SimpleTest("courgette", "courgette_unittests")