Implement the webdriver window sizing commands.

chrome/browser/automation/automation_provider_json.h

Index: chrome/browser/automation/automation_provider_json.h
diff --git a/chrome/browser/automation/automation_provider_json.h b/chrome/browser/automation/automation_provider_json.h
index 9ca6e9062f2dd421c277e4e18b3a3f4f653daa99..f2e9f04a6b589cd8b745cd6f9688171f8be67b94 100644
--- a/chrome/browser/automation/automation_provider_json.h
+++ b/chrome/browser/automation/automation_provider_json.h
@@ -55,9 +55,10 @@ class AutomationJSONReply {
   // associated error message.
   void SendErrorCode(automation::ErrorCode code);
 
- private:
-  void SendErrorInternal(const automation::Error& error);
+  // Send an automation error.
+  void SendError(const automation::Error& error);
 
+ private:
   AutomationProvider* provider_;
   IPC::Message* message_;
 };