Revert 174880 due to compilation error in pdf_browsertest.cc

chrome/browser/download/download_browsertest.cc

Index: chrome/browser/download/download_browsertest.cc
===================================================================
--- chrome/browser/download/download_browsertest.cc	(revision 174946)
+++ chrome/browser/download/download_browsertest.cc	(working copy)
@@ -998,8 +998,8 @@
   bool download_assempted;
   ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
-      "",
-      "window.domAutomationController.send(startDownload());",
+      L"",
+      L"window.domAutomationController.send(startDownload());",
       &download_assempted));
   ASSERT_TRUE(download_assempted);
   observer.WaitForObservation(
@@ -1427,8 +1427,8 @@
   bool webui_responded = false;
   EXPECT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(),
-      "",
-      "window.domAutomationController.send(window.webui_responded_);",
+      L"",
+      L"window.domAutomationController.send(window.webui_responded_);",
       &webui_responded));
   EXPECT_TRUE(webui_responded);
 }
@@ -1447,9 +1447,9 @@
   bool result = false;
   EXPECT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(),
-      "",
-      "window.onunload = function() { var do_nothing = 0; }; "
-      "window.domAutomationController.send(true);",
+      L"",
+      L"window.onunload = function() { var do_nothing = 0; }; "
+      L"window.domAutomationController.send(true);",
       &result));
   EXPECT_TRUE(result);