Expose a method to access amount of memory used by the current process.

webkit/api/src/ChromiumBridge.cpp

Index: webkit/api/src/ChromiumBridge.cpp
===================================================================
--- webkit/api/src/ChromiumBridge.cpp	(revision 30574)
+++ webkit/api/src/ChromiumBridge.cpp	(working copy)
@@ -569,7 +569,7 @@
     return webKitClient()->isLinkVisited(visitedLinkHash);
 }
 
-// These are temporary methoeds that the WebKit layer can use to call to the
+// These are temporary methods that the WebKit layer can use to call to the
 // Glue layer. Once the Glue layer moves entirely into the WebKit layer, these
 // methods will be deleted.
 
@@ -583,6 +583,11 @@
     return webKitClient()->notifyJSOutOfMemory(frame);
 }
 
+int ChromiumBridge::memoryUsageMB()
+{
+    return webKitClient()->memoryUsageMB();
+}
+
 int ChromiumBridge::screenDepth(Widget* widget)
 {
     return webKitClient()->screenDepth(widget);