Allow javascript unit tests using webui test_api framework.

chrome/test/base/v8_unit_test.h

Index: chrome/test/base/v8_unit_test.h
diff --git a/chrome/test/base/v8_unit_test.h b/chrome/test/base/v8_unit_test.h
index 243b332e5efe0fe7c400e3db0690bdfa28087b8c..588362ec81b5a3d348b40bb1117d9a52b3c5a888 100644
--- a/chrome/test/base/v8_unit_test.h
+++ b/chrome/test/base/v8_unit_test.h
@@ -7,7 +7,9 @@
 #pragma once
 
 #include <string>
+#include <vector>
 
+#include "base/file_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "v8/include/v8.h"
 
@@ -26,6 +28,15 @@ class V8UnitTest : public testing::Test {
   virtual void SetUp();
 
  protected:
+  // Add a custom helper JS library for your test.
+  // If a relative path is specified, it'll be read
+  // as relative to the test data dir.
+  void AddLibrary(const FilePath& library_path);
+
+  // Runs a test fixture that may include calls to functions in test_api.js.
+  bool RunJavascriptTestF(const std::string& testFixture,
+                          const std::string& testName);
+
   // Executes the given script source in the context.  The specified script
   // name is used when reporting errors.
   virtual void ExecuteScriptInContext(const base::StringPiece& script_source,
@@ -44,16 +55,35 @@ class V8UnitTest : public testing::Test {
   // functions implemented in JavaScript.
   virtual void TestFunction(const std::string& function_name);
 
-  // This method is bound to a global function "log" in the context.
-  // Scripts running in the context can call this to print out logging
-  // information to the console.
+  // This method is bound to a global function "log" in the context, as well as
+  // to log, warn, and info of the console object. Scripts running in the
+  // context can call this to print out logging information to the console.
   static v8::Handle<v8::Value> Log(const v8::Arguments& args);
 
+  // This method is bound to console.error in the context. Any calls to this
+  // also signal an error condition and |RunJavascriptF| will fail.
+  static v8::Handle<v8::Value> Error(const v8::Arguments& args);
+
+  // This method is bound to a method "chrome.send" in the context.  When
+  // test_api calls testDone to report its results, this will capture and hold
+  // the results for analysis by |RunJavascriptF|.
+  static v8::Handle<v8::Value> ChromeSend(const v8::Arguments& args);
+
+ private:
+  // Executes all added javascript libraries. Returns true if no errors.
+  bool ExecuteJavascriptLibraries();
+
+  // Initializes paths and libraries.
+  void InitPathsAndLibraries();
+
   // Handle scope that is used throughout the life of this class.
   v8::HandleScope handle_scope_;
 
   // Context for the JavaScript in the test.
   v8::Handle<v8::Context> context_;
+
+  // User added libraries.
+  std::vector<FilePath> user_libraries_;
 };
 
 #endif  // CHROME_TEST_BASE_V8_UNIT_TEST_H_