Initial implementation of chrome.browser.openTab.

chrome/browser/extensions/extension_tab_util.h

Index: chrome/browser/extensions/extension_tab_util.h
diff --git a/chrome/browser/extensions/extension_tab_util.h b/chrome/browser/extensions/extension_tab_util.h
index 0b3092a3cba646622d45ed464b0e1782db5a2a9e..bbf042becab605f75203072f52d9de5610ddcdff 100644
--- a/chrome/browser/extensions/extension_tab_util.h
+++ b/chrome/browser/extensions/extension_tab_util.h
@@ -12,6 +12,7 @@
 #include "ui/base/window_open_disposition.h"
 
 class Browser;
+class ChromeAsyncExtensionFunction;
 class GURL;
 class Profile;
 class TabStripModel;
@@ -36,6 +37,26 @@ class WindowController;
 // Provides various utility functions that help manipulate tabs.
 class ExtensionTabUtil {
  public:
+  struct OpenTabParams {
+    OpenTabParams();
+    ~OpenTabParams();
+
+    bool create_browser_if_needed;
+    scoped_ptr<int> window_id;
+    scoped_ptr<int> opener_tab_id;
+    scoped_ptr<std::string> url;
+    scoped_ptr<bool> active;
+    scoped_ptr<bool> pinned;
+    scoped_ptr<int> index;
+  };
+
+  // Opens a new tab given an extension function |function| and creation
+  // parameters |params|. Returns a Tab object if successful, or NULL and
+  // optionally sets |error| if an error occurs.
+  static base::DictionaryValue* OpenTab(ChromeAsyncExtensionFunction* function,
+                                        const OpenTabParams& params,
+                                        std::string* error);
+
   static int GetWindowId(const Browser* browser);
   static int GetWindowIdOfTabStripModel(const TabStripModel* tab_strip_model);
   static int GetTabId(const content::WebContents* web_contents);
@@ -43,6 +64,9 @@ class ExtensionTabUtil {
   static int GetWindowIdOfTab(const content::WebContents* web_contents);
   static base::ListValue* CreateTabList(const Browser* browser,
                                         const Extension* extension);
+  static Browser* GetBrowserFromWindowID(ChromeAsyncExtensionFunction* function,
+                                         int window_id,
+                                         std::string* error_message);
 
   // Creates a Tab object (see chrome/common/extensions/api/tabs.json) with
   // information about the state of a browser tab.  Depending on the