Add ExecuteJavaScriptForTest and make all tests use it

chrome/renderer/autofill/form_autocomplete_browsertest.cc

Index: chrome/renderer/autofill/form_autocomplete_browsertest.cc
diff --git a/chrome/renderer/autofill/form_autocomplete_browsertest.cc b/chrome/renderer/autofill/form_autocomplete_browsertest.cc
index 1a88f8d572060f43ec9c727862d10ac0640ac148..52a3db553eb74e3d681b8608fb1acfe027b536e0 100644
--- a/chrome/renderer/autofill/form_autocomplete_browsertest.cc
+++ b/chrome/renderer/autofill/form_autocomplete_browsertest.cc
@@ -74,7 +74,7 @@ TEST_F(FormAutocompleteTest, NormalFormSubmit) {
            "<input name='lname' value='Deckard'/></form></html>");
 
   // Submit the form.
-  ExecuteJavaScript("document.getElementById('myForm').submit();");
+  ExecuteJavaScriptForTests("document.getElementById('myForm').submit();");
   ProcessPendingMessages();
 
   VerifyReceivedRendererMessages(render_thread_.get(),
@@ -91,7 +91,7 @@ TEST_F(FormAutocompleteTest, SubmitEventPrevented) {
       "</html>");
 
   // Submit the form.
-  ExecuteJavaScript(
+  ExecuteJavaScriptForTests(
       "var form = document.forms[0];"
       "form.onsubmit = function(event) { event.preventDefault(); };"
       "document.querySelector('input[type=submit]').click();");
@@ -111,7 +111,7 @@ TEST_F(FormAutocompleteTest, AutoCompleteOffFormSubmit) {
            "</form></html>");
 
   // Submit the form.
-  ExecuteJavaScript("document.getElementById('myForm').submit();");
+  ExecuteJavaScriptForTests("document.getElementById('myForm').submit();");
   ProcessPendingMessages();
 
   VerifyReceivedRendererMessages(render_thread_.get(),
@@ -127,7 +127,7 @@ TEST_F(FormAutocompleteTest, AutoCompleteOffInputSubmit) {
            "</form></html>");
 
   // Submit the form.
-  ExecuteJavaScript("document.getElementById('myForm').submit();");
+  ExecuteJavaScriptForTests("document.getElementById('myForm').submit();");
   ProcessPendingMessages();
 
   VerifyReceivedRendererMessages(render_thread_.get(),
@@ -148,13 +148,14 @@ TEST_F(FormAutocompleteTest, DynamicAutoCompleteOffFormSubmit) {
   EXPECT_TRUE(form.autoComplete());
 
   // Dynamically mark the form as autocomplete off.
-  ExecuteJavaScript("document.getElementById('myForm')."
-                    "setAttribute('autocomplete', 'off');");
+  ExecuteJavaScriptForTests(
+      "document.getElementById('myForm')."
+      "setAttribute('autocomplete', 'off');");
   ProcessPendingMessages();
   EXPECT_FALSE(form.autoComplete());
 
   // Submit the form.
-  ExecuteJavaScript("document.getElementById('myForm').submit();");
+  ExecuteJavaScriptForTests("document.getElementById('myForm').submit();");
   ProcessPendingMessages();
 
   VerifyReceivedRendererMessages(render_thread_.get(),