Adding support for mount point different from removable devices to MountLibrary

chrome/common/extensions/api/extension_api.json

Index: chrome/common/extensions/api/extension_api.json
===================================================================
--- chrome/common/extensions/api/extension_api.json	(revision 93731)
+++ chrome/common/extensions/api/extension_api.json	(working copy)
@@ -5176,6 +5176,26 @@
         }
       },
       {
+        "id": "MountPointInfo",
+        "type": "object",
+        "description": "Mounted point information.",
+        "properties": {
+          "mountPath": {
+            "type": "string",
+            "description": "Disk volume mount point path. The value corresponds to its Entry.fullPath in File API."
+          },
+          "sourcePath": {
+            "type": "string",
+            "description": "The path to the mounted resource. Either a device path, or a path to an archive file."
+          },
+          "mountType": {
+            "type": "string",
+            "enum": ["device", "file", "network"],
+            "description": "Type of the mount."
+          }
+        }
+      },
+      {
         "id": "VolumeMetadata",
         "type": "object",
         "description": "Mounted disk volume metadata.",
@@ -5248,6 +5268,39 @@
         }
       },
       {
+        "id": "MountCompletedEvent",
+        "type": "object",
+        "description": "Payload data for mount event.",
+        "properties": {
+          "eventType": {
+            "type": "string",
+            "enum": ["mount", "unmount"],
+            "description": "Is the event raised for mounting or unmounting."
+          },
+          "status": {
+            "type": "string",
+            "enum": ["success", "error_unknown", "error_internal",
+                     "error_unknown_filesystem", "error_unsuported_filesystem",
+                     "error_invalid_archive", "error_libcros_missing"],
+            "description": "Event type that tells listeners if mount was successfull or an error occurred. It also specifies the error."
+          },
+          "sourcePath": {
+            "type": "string",
+            "description": "Path that has been mounted."
+          },
+          "mountPath": {
+            "type": "string",
+            "optional": true,
+            "description": "Path that sourcePath was mounted to."
+          },
+          "mountType": {
+            "type": "string",
+            "enum": ["device", "file", "network"],
+            "description": "Type of the mount."
+          }
+        }
+      },
+      {
         "id": "FileWatchEvent",
         "type": "object",
         "description": "Payload data for disk mount / unmount event.",
@@ -5481,15 +5534,48 @@
         ]
       },
       {
-        "name": "unmountVolume",
-        "description": "Unmounts specified volume",
+        "name": "addMount",
+        "type": "function",
+        "description": "Mount a resource or a file.",
         "parameters": [
           {
-            "name": "devicePath",
+            "name": "source",
             "type": "string",
-            "description": "Device path of the volume."
+            "description": "Mount point source. For compressed files it is relative file path within external file system"
+          },
+          {
+            "name": "mountType",
+            "type": "string",
+            "enum": ["device", "file", "network"],
+            "description": "Mount point type. 'file' for compressed files"
+          },
+          {
+            "name": "options",
+            "type": "object",
+            "description": "Name/value pairs for source specific options",
+            "optional": "true"
           }
         ]
+      },
+      {
+        "name": "removeMount",
+        "description": "Unmounts a mounted resource.",
+        "parameters": [
+          {
+            "name": "mountPath",
+            "type": "string",
+            "description": "A path of the mount."
+          }
+        ]
+      },
+      {
+        "name": "getMountPoints",
+        "description": "Get the list of mount points.",
+        "returns": {
+          "type": "object",
+          "items": {"$ref": "MountPointInfo"},
+          "description": "The dictionary with mount point paths as elements and MountPointInfo as values."
+        }
       }
     ],
     "events": [
@@ -5506,6 +5592,18 @@
         ]
       },
       {
+        "name": "onMountCompleted",
+        "type": "function",
+        "description": "Fired when mount event is detected.",
+        "parameters": [
+          {
+            "$ref": "MountCompletedEvent",
+            "name": "event",
+            "description": "MountCompleted event information."
+          }
+        ]
+      },
+      {
         "name": "onFileChanged",
         "type": "function",
         "description": "Fired when watched file change event is detected.",
@@ -6385,7 +6483,7 @@
               "title": {
                 "type": "string",
                 "optional": true,
-                "description": "The title of the notification."  
+                "description": "The title of the notification."
               },
               "bodyText": {
                 "type": "string",