Fix page zoom to be frame-centric for out-of-process frames.

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index 284498aeb9dbb4244b2c7a05153fd9b02593dc33..2869f3043f1b6610d264c6c496d0f1974df942f4 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -662,6 +662,18 @@ bool ExecuteScript(const ToRenderFrameHost& adapter,
   return ExecuteScriptHelper(adapter.render_frame_host(), new_script, NULL);
 }
 
+bool ExecuteScriptAndExtractDouble(const ToRenderFrameHost& adapter,
+                                   const std::string& script, double* result) {
+  DCHECK(result);
+  std::unique_ptr<base::Value> value;
+  if (!ExecuteScriptHelper(adapter.render_frame_host(), script, &value) ||
+      !value.get()) {
+    return false;
+  }
+
+  return value->GetAsDouble(result);
+}
+
 bool ExecuteScriptAndExtractInt(const ToRenderFrameHost& adapter,
                                 const std::string& script, int* result) {
   DCHECK(result);