[chromedriver] Implement connecting to devtools and loading a page.

chrome/test/chromedriver/commands_unittest.cc

Index: chrome/test/chromedriver/commands_unittest.cc
diff --git a/chrome/test/chromedriver/commands_unittest.cc b/chrome/test/chromedriver/commands_unittest.cc
index d7612d98f037def7cdd5f92a15af3e485febcdc4..eef71364a7b0589c22dce3b7a34100d373bef8b5 100644
--- a/chrome/test/chromedriver/commands_unittest.cc
+++ b/chrome/test/chromedriver/commands_unittest.cc
@@ -27,6 +27,9 @@ class StubChrome : public Chrome {
   virtual ~StubChrome() {}
 
   // Overridden from Chrome:
+  virtual Status Load(const std::string& url) OVERRIDE {
+    return Status(kOk);
+  }
   virtual Status Quit() OVERRIDE {
     return Status(kOk);
   }
@@ -152,7 +155,7 @@ TEST(CommandsTest, Quit) {
 
 namespace {
 
-class FailsToQuitChrome : public Chrome {
+class FailsToQuitChrome : public StubChrome {
  public:
   FailsToQuitChrome() {}
   virtual ~FailsToQuitChrome() {}