Implement the webdriver window sizing commands.

chrome/browser/automation/testing_automation_provider.h

Index: chrome/browser/automation/testing_automation_provider.h
diff --git a/chrome/browser/automation/testing_automation_provider.h b/chrome/browser/automation/testing_automation_provider.h
index 5b252422221081dd7e21f5e2f28e4c313ecad382..7bd498256e5a7c650ff65836acaa21370ba376f9 100644
--- a/chrome/browser/automation/testing_automation_provider.h
+++ b/chrome/browser/automation/testing_automation_provider.h
@@ -1095,6 +1095,21 @@ class TestingAutomationProvider : public AutomationProvider,
   //   output: none
   void CloseTabJSON(base::DictionaryValue* args, IPC::Message* reply_message);
 
+  // Sets the specified web view bounds.
+  // The single |auto_id| must be given to specify the view.
+  // This method currently is only supported for tabs.
+  // Example:
+  //   input: { "auto_id": { "type": 0, "id": "awoein" },
+  //            "bounds": {
+  //              "x": 100,
+  //              "y": 200,
+  //              "width": 500,
+  //              "height": 800
+  //            }
+  //          }
+  //   output: none
+  void SetViewBounds(base::DictionaryValue* args, IPC::Message* reply_message);
+
   // Sends the WebKit events for a mouse click at a given coordinate.
   // The pair |windex| and |tab_index| or the single |auto_id| must be given
   // to specify the render view.