Move ExecuteJavaScript functions from ui_test_utils.h to browser_test_utils.h so they can be reused…

content/public/test/browser_test_utils.h

Index: content/public/test/browser_test_utils.h
===================================================================
--- content/public/test/browser_test_utils.h	(revision 148111)
+++ content/public/test/browser_test_utils.h	(working copy)
@@ -35,6 +35,7 @@
 namespace content {
 
 class MessageLoopRunner;
+class RenderViewHost;
 class WebContents;
 
 // Simulates clicking at the center of the given tab asynchronously.
@@ -53,6 +54,34 @@
                       bool alt,
                       bool command);
 
+// Executes the passed |script| in the frame pointed to by |frame_xpath| (use
+// empty string for main frame).  The |script| should not invoke
+// domAutomationController.send(); otherwise, your test will hang or be flaky.
+// If you want to extract a result, use one of the below functions.
+// Returns true on success.
+bool ExecuteJavaScript(RenderViewHost* render_view_host,
+                       const std::wstring& frame_xpath,
+                       const std::wstring& script) WARN_UNUSED_RESULT;
+
+// The following methods executes the passed |script| in the frame pointed to by
+// |frame_xpath| (use empty string for main frame) and sets |result| to the
+// value returned by the script evaluation.
+// They return true on success, false if the script evaluation failed or did not
+// evaluate to the expected type.
+bool ExecuteJavaScriptAndExtractInt(RenderViewHost* render_view_host,
+                                    const std::wstring& frame_xpath,
+                                    const std::wstring& script,
+                                    int* result) WARN_UNUSED_RESULT;
+bool ExecuteJavaScriptAndExtractBool(RenderViewHost* render_view_host,
+                                     const std::wstring& frame_xpath,
+                                     const std::wstring& script,
+                                     bool* result) WARN_UNUSED_RESULT;
+bool ExecuteJavaScriptAndExtractString(
+    RenderViewHost* render_view_host,
+    const std::wstring& frame_xpath,
+    const std::wstring& script,
+    std::string* result) WARN_UNUSED_RESULT;
+
 // Watches title changes on a tab, blocking until an expected title is set.
 class TitleWatcher : public NotificationObserver {
  public: