Convert more PyAuto proxy calls to the JSON interface.

chrome/test/pyautolib/pyautolib.h

Index: chrome/test/pyautolib/pyautolib.h
diff --git a/chrome/test/pyautolib/pyautolib.h b/chrome/test/pyautolib/pyautolib.h
index 3de0596b0f57e35d75b8d11f5068a1e3fcae91f8..8c9133280bdd05e5bd5994594f318be5389a4496 100644
--- a/chrome/test/pyautolib/pyautolib.h
+++ b/chrome/test/pyautolib/pyautolib.h
@@ -69,15 +69,6 @@ class PyUITestBase : public UITestBase {
   virtual void SetUp() OVERRIDE;
   virtual void TearDown() OVERRIDE;
 
-  // Get the URL of the active tab.
-  GURL GetActiveTabURL(int window_index = 0);
-
-  int GetTabCount(int window_index = 0);
-
-  // Activate the tab at the given zero-based index in the given or first
-  // browser window.  Also brings the window to front.
-  bool ActivateTab(int tab_index, int window_index = 0);
-
   // Shows or hides the download shelf.
   void SetDownloadShelfVisible(bool is_visible, int window_index = 0);