Even more test cleanup. Some fixes to non-test code.

chrome/test/webdriver/commands/speed_command.h

Index: chrome/test/webdriver/commands/speed_command.h
diff --git a/chrome/test/webdriver/commands/speed_command.h b/chrome/test/webdriver/commands/speed_command.h
index 7c8c7eb3f4060cb2f4d1a6f08e2f5386c16fefa3..6bd84a38111bdb7aacf38c65e37f1e8e3c78e412 100644
--- a/chrome/test/webdriver/commands/speed_command.h
+++ b/chrome/test/webdriver/commands/speed_command.h
@@ -20,20 +20,20 @@ namespace webdriver {
 class SpeedCommand : public WebDriverCommand {
  public:
   SpeedCommand(const std::vector<std::string>& path_segments,
-               const DictionaryValue* const parameters)
-      : WebDriverCommand(path_segments, parameters), speed_(Session::kMedium) {}
-  virtual ~SpeedCommand() {}
+               const DictionaryValue* const parameters);
+  virtual ~SpeedCommand();
 
   virtual bool Init(Response* const response);
 
-  virtual bool DoesGet() { return true; }
-  virtual bool DoesPost() { return true; }
+  virtual bool DoesGet();
+  virtual bool DoesPost();
   virtual void ExecuteGet(Response* const response);
   virtual void ExecutePost(Response* const response);
 
  private:
+  virtual bool RequiresValidTab();
+
   Session::Speed speed_;
-  virtual bool RequiresValidTab() { return true; }
 
   DISALLOW_COPY_AND_ASSIGN(SpeedCommand);
 };