Simplify ExecuteJavaScript* functions.

chrome/browser/content_settings/content_settings_browsertest.cc

Index: chrome/browser/content_settings/content_settings_browsertest.cc
diff --git a/chrome/browser/content_settings/content_settings_browsertest.cc b/chrome/browser/content_settings/content_settings_browsertest.cc
index c2ff3e27ad893d2dd8ac1ce0cecebb0d12426090..b34c95b1e097114533e971b9aa07adba31f78e26 100644
--- a/chrome/browser/content_settings/content_settings_browsertest.cc
+++ b/chrome/browser/content_settings/content_settings_browsertest.cc
@@ -379,10 +379,8 @@ IN_PROC_BROWSER_TEST_F(ClickToPlayPluginTest, LoadAllBlockedPlugins) {
   content::TitleWatcher title_watcher2(
       chrome::GetActiveWebContents(browser()), expected_title2);
 
-  ASSERT_TRUE(content::ExecuteJavaScript(
-      chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
-      "",
-      "window.inject()"));
+  ASSERT_TRUE(content::ExecuteScript(
+      chrome::GetActiveWebContents(browser()), "window.inject()"));
 
   EXPECT_EQ(expected_title2, title_watcher2.WaitAndGetTitle());
 }
@@ -396,9 +394,8 @@ IN_PROC_BROWSER_TEST_F(ClickToPlayPluginTest, NoCallbackAtLoad) {
   ui_test_utils::NavigateToURL(browser(), url);
 
   // Inject the callback function into the HTML page generated by the browser.
-  ASSERT_TRUE(content::ExecuteJavaScript(
-      chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
-      "",
+  ASSERT_TRUE(content::ExecuteScript(
+      chrome::GetActiveWebContents(browser()),
       "CallOnStartup = function() { document.title = \"OK\"; }"));
 
   string16 expected_title(ASCIIToUTF16("OK"));