Basic scaffolding for a "content shell", i.e. test browser over the content module.

content/app/content_main_delegate.h

Index: content/app/content_main_delegate.h
===================================================================
--- content/app/content_main_delegate.h	(revision 100566)
+++ content/app/content_main_delegate.h	(working copy)
@@ -17,51 +17,54 @@
 
 class ContentMainDelegate {
  public:
+  virtual ~ContentMainDelegate();
+
   // Tells the embedder that the absolute basic startup has been done, i.e. it's
   // now safe to create singletons and check the command line. Return true if
   // the process should exit afterwards, and if so, |exit_code| should be set.
   // This is the place for embedder to do the things that must happen at the
   // start. Most of its startup code should be in the methods below.
-  virtual bool BasicStartupComplete(int* exit_code) = 0;
+  virtual bool BasicStartupComplete(int* exit_code);
 
   // This is where the embedder puts all of its startup code that needs to run
   // before the sandbox is engaged.
-  virtual void PreSandboxStartup() = 0;
+  virtual void PreSandboxStartup();
 
   // This is where the embedder can add startup code to run after the sandbox
   // has been initialized.
-  virtual void SandboxInitialized(const std::string& process_type) = 0;
+  virtual void SandboxInitialized(const std::string& process_type);
 
   // Asks the embedder to start a process that content doesn't know about.
   virtual int RunProcess(const std::string& process_type,
-                         const MainFunctionParams& main_function_params) = 0;
+                         const MainFunctionParams& main_function_params);
 
   // Called right before the process exits.
-  virtual void ProcessExiting(const std::string& process_type) = 0;
+  virtual void ProcessExiting(const std::string& process_type);
 
 #if defined(OS_MACOSX)
   // Returns true if the process registers with the system monitor, so that we
   // can allocate an IO port for it before the sandbox is initialized. Embedders
   // are called only for process types that content doesn't know about.
   virtual bool ProcessRegistersWithSystemProcess(
-      const std::string& process_type) = 0;
+      const std::string& process_type);
 
   // Used to determine if we should send the mach port to the parent process or
   // not. The embedder usually sends it for all child processes, use this to
   // override this behavior.
-  virtual bool ShouldSendMachPort(const std::string& process_type) = 0;
+  virtual bool ShouldSendMachPort(const std::string& process_type);
 
   // Allows the embedder to override initializing the sandbox. This is needed
   // because some processes might not want to enable it right away or might not
   // want it at all.
-  virtual bool DelaySandboxInitialization(const std::string& process_type) = 0;
+  virtual bool DelaySandboxInitialization(const std::string& process_type);
+
 #elif defined(OS_POSIX)
   // Tells the embedder that the zygote process is starting, and allows it to
   // specify a zygote delegate if it wishes.
-  virtual ZygoteForkDelegate* ZygoteStarting() = 0;
+  virtual ZygoteForkDelegate* ZygoteStarting();
 
   // Called every time the zygote process forks.
-  virtual void ZygoteForked() = 0;
+  virtual void ZygoteForked();
 #endif  // OS_MACOSX
 };