Addition of 'maxSize' to experimental popup extension API.

chrome/renderer/resources/extension_process_bindings.js

Index: chrome/renderer/resources/extension_process_bindings.js
===================================================================
--- chrome/renderer/resources/extension_process_bindings.js	(revision 67311)
+++ chrome/renderer/resources/extension_process_bindings.js	(working copy)
@@ -513,6 +513,18 @@
               type: "string",
               optional: true,
               enum: ["bubble", "rectangle"]
+            },
+            maxSize: {
+              type: "object",
+              optional: true,
+              properties: {
+                width: {
+                  type: "integer", optional: true, minimum: 32
+                },
+                height: {
+                  type: "integer", optional: true, minimum: 32
+                }
+              }
             }
           }
         },
@@ -523,7 +535,8 @@
                           {
                             domAnchor: getAbsoluteRect(showDetails.relativeTo),
                             giveFocus: showDetails.giveFocus,
-                            borderStyle: showDetails.borderStyle
+                            borderStyle: showDetails.borderStyle,
+                            maxSize: showDetails.maxSize
                           },
                           callback],
                          internalSchema);