Add some bounds for gfx ipc deserialization.

content/common/cc_messages_unittest.cc

Index: content/common/cc_messages_unittest.cc
===================================================================
--- content/common/cc_messages_unittest.cc	(revision 175167)
+++ content/common/cc_messages_unittest.cc	(working copy)
@@ -467,13 +467,13 @@
   TransferableResource arbitrary_resource1;
   arbitrary_resource1.id = 2178312;
   arbitrary_resource1.format = 7;
-  arbitrary_resource1.size = gfx::Size(37189, 123123);
+  arbitrary_resource1.size = gfx::Size(3718, 12312);
   arbitrary_resource1.mailbox.setName(arbitrary_mailbox1);
 
   TransferableResource arbitrary_resource2;
   arbitrary_resource2.id = 789132;
   arbitrary_resource2.format = 30;
-  arbitrary_resource2.size = gfx::Size(89123, 23789);
+  arbitrary_resource2.size = gfx::Size(8912, 23789);
   arbitrary_resource2.mailbox.setName(arbitrary_mailbox2);
 
   DelegatedFrameData frame_in;