Add a sample app that draws with Ganesh

examples/ganesh_app/ganesh_app.cc

Index: examples/ganesh_app/ganesh_app.cc
diff --git a/examples/surfaces_app/child_gl_app.cc b/examples/ganesh_app/ganesh_app.cc
similarity index 81%
copy from examples/surfaces_app/child_gl_app.cc
copy to examples/ganesh_app/ganesh_app.cc
index 015ffdec158ee1b790dcaee665d81fcb48243e56..0ace2cee4fe417db3a379189ebff1d4078763c62 100644
--- a/examples/surfaces_app/child_gl_app.cc
+++ b/examples/ganesh_app/ganesh_app.cc
@@ -4,7 +4,8 @@
 
 #include "base/macros.h"
 #include "base/threading/platform_thread.h"
-#include "examples/surfaces_app/child_gl_impl.h"
+#include "examples/ganesh_app/painter.h"
+#include "examples/surfaces_app/child.mojom.h"
 #include "mojo/application/application_runner_chromium.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_connection.h"
@@ -16,10 +17,10 @@
 namespace mojo {
 namespace examples {
 
-class ChildGLApp : public ApplicationDelegate, public InterfaceFactory<Child> {
+class GaneshApp : public ApplicationDelegate, public InterfaceFactory<Child> {
  public:
-  ChildGLApp() {}
-  virtual ~ChildGLApp() {}
+  GaneshApp() {}
+  virtual ~GaneshApp() {}
 
   virtual void Initialize(ApplicationImpl* app) override {
     surfaces_service_connection_ =
@@ -41,7 +42,7 @@ class ChildGLApp : public ApplicationDelegate, public InterfaceFactory<Child> {
     CommandBufferPtr command_buffer;
     gpu_service_->CreateOffscreenGLES2Context(GetProxy(&command_buffer));
     BindToRequest(
-        new ChildGLImpl(surfaces_service_connection_, command_buffer.Pass()),
+        new Painter(surfaces_service_connection_, command_buffer.Pass()),
         &request);
   }
 
@@ -49,13 +50,13 @@ class ChildGLApp : public ApplicationDelegate, public InterfaceFactory<Child> {
   ApplicationConnection* surfaces_service_connection_;
   GpuPtr gpu_service_;
 
-  DISALLOW_COPY_AND_ASSIGN(ChildGLApp);
+  DISALLOW_COPY_AND_ASSIGN(GaneshApp);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
-  mojo::ApplicationRunnerChromium runner(new mojo::examples::ChildGLApp);
+  mojo::ApplicationRunnerChromium runner(new mojo::examples::GaneshApp);
   return runner.Run(shell_handle);
 }