Move ExecuteScript method from WebFrame to WebLocalFrame.

content/shell/test_runner/test_runner.cc

Index: content/shell/test_runner/test_runner.cc
diff --git a/content/shell/test_runner/test_runner.cc b/content/shell/test_runner/test_runner.cc
index 91c408b94336265131681d1812ae3671af6314a3..416872b6dd72e472d33fe6b80dabde23fe84a790 100644
--- a/content/shell/test_runner/test_runner.cc
+++ b/content/shell/test_runner/test_runner.cc
@@ -2040,7 +2040,13 @@ class WorkItemLoadingScript : public TestRunner::WorkItem {
   WorkItemLoadingScript(const std::string& script) : script_(script) {}
 
   bool Run(WebTestDelegate*, WebView* web_view) override {
-    web_view->MainFrame()->ExecuteScript(
+    blink::WebFrame* main_frame = web_view->MainFrame();
+    if (!main_frame->IsWebLocalFrame()) {
+      CHECK(false) << "This function cannot be called if the main frame is not "
+                      "a local frame.";
+      return false;
+    }
+    main_frame->ToWebLocalFrame()->ExecuteScript(
         WebScriptSource(WebString::FromUTF8(script_)));
     return true;  // FIXME: Did it really start a navigation?
   }
@@ -2058,7 +2064,13 @@ class WorkItemNonLoadingScript : public TestRunner::WorkItem {
   WorkItemNonLoadingScript(const std::string& script) : script_(script) {}
 
   bool Run(WebTestDelegate*, WebView* web_view) override {
-    web_view->MainFrame()->ExecuteScript(
+    blink::WebFrame* main_frame = web_view->MainFrame();
+    if (!main_frame->IsWebLocalFrame()) {
+      CHECK(false) << "This function cannot be called if the main frame is not "
+                      "a local frame.";
+      return false;
+    }
+    main_frame->ToWebLocalFrame()->ExecuteScript(
         WebScriptSource(WebString::FromUTF8(script_)));
     return false;
   }