Move console error detection in browser tests to higher level

chrome/test/base/javascript_browser_test.h

Index: chrome/test/base/javascript_browser_test.h
diff --git a/chrome/test/base/javascript_browser_test.h b/chrome/test/base/javascript_browser_test.h
index 2299cff9db1a881e6f68b52df74f58daad3a8239..747655a42f0dd22eddbe0f611e340c7896c54f78 100644
--- a/chrome/test/base/javascript_browser_test.h
+++ b/chrome/test/base/javascript_browser_test.h
@@ -34,6 +34,7 @@ class JavaScriptBrowserTest : public InProcessBrowserTest {
 
   // InProcessBrowserTest overrides.
   void SetUpOnMainThread() override;
+  void TearDownOnMainThread() override;
 
   // Builds a vector of strings of all added javascript libraries suitable for
   // execution by subclasses.
@@ -47,6 +48,12 @@ class JavaScriptBrowserTest : public InProcessBrowserTest {
                                     const std::string& test_name,
                                     const ConstValueVector& args);
 
+  bool has_console_errors() const;
+  void set_has_console_errors(bool has_console_errors);
+
+  bool has_console_info() const;
+  void set_has_console_info(bool has_console_errors);
+
  private:
   // User added libraries.
   std::vector<base::FilePath> user_libraries_;