Adjust virtual keyboard size base on input method candidates.

chrome/common/extensions/api/extension_api.json

 [
   {
     "namespace": "extension",
     "unprivileged": true,
     "types": [
       {
         "id": "MessageSender",
         "type": "object",
         "description": "An object containing information about the script context that sent a message or request.",
         "properties": {
@@ skipping 2414 matching lines @@
         "parameters": [
           { "type": "function",
             "name": "callback",
             "optional": true,
             "description": "This function is called when the event processing is completed.",
             "parameters": []
           }
         ]
       },
       {
+        "name": "setKeyboardHeight",
+        "type": "function",
+        "description": "Set the height of the keyboard UI.",
+        "parameters": [
+          { "type": "integer",
+            "name": "height",
+            "minimum": 0,
+            "optional": false,
+            "description": "The height of the keyboard UI."
+          },
+          { "type": "function",
+            "name": "callback",
+            "optional": true,
+            "description": "This function is called when the event processing is completed.",

[bryeung, 2011/06/03 19:14:52]

Does this mean that it is only called when the view is actually resized?  It
seems that would be helpful, but it may by too difficult to implement to be
worthwhile.

[Peng, 2011/06/03 22:22:10]

Done.

+            "parameters": []
+          }
+        ]
+      },
+      {
         "name": "sendHandwritingStroke",
         "type": "function",
         "description": "Send a handwriting event to Chrome.",
         "parameters": [
           {
             "name": "stroke",
             "type": "array",
             "items": {
               "type": "object",
               "properties": {
@@ skipping 3344 matching lines @@
           {
             "type": "integer",
             "name": "tabId",
             "description": "The id of the tab that was detached."
           }
         ]
       }
     ]
   }
 ]