Add DevTools method for cross-process memory notification suppressing

Source/devtools/protocol.json

Index: Source/devtools/protocol.json
diff --git a/Source/devtools/protocol.json b/Source/devtools/protocol.json
index 4d33745cc70d6c454dc0bbad0da3fb8b11102138..382cc6d6051483856b1abee445c33f8bb58eec09 100644
--- a/Source/devtools/protocol.json
+++ b/Source/devtools/protocol.json
@@ -56,6 +56,14 @@
                     { "name": "nodes", "type": "integer" },
                     { "name": "jsEventListeners", "type": "integer" }
                 ]
+            },
+            {
+                "name": "setNotificationsSuppressed",

[Sami, 2015/09/08 17:43:28]

nit: "Notifications" sounds a little too general. How about going full Java with
setPressureNotificationsSuppressed? (could even throw in the word memory in
there, but not required).

[petrcermak, 2015/09/14 12:46:03]

Done.

+                "description": "Enable/disable suppressing memory pressure notifications in all processes.",
+                "parameters": [
+                    { "name": "suppressed", "type": "boolean", "description": "If true, memory pressure notifications will be suppressed."}
+                ],
+                "handlers": ["browser"]
             }
         ]
     },