Implement SetViewContents in the client lib

mojo/examples/sample_view_manager_app/sample_view_manager_app.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/shell/application.h"
 #include "mojo/public/cpp/system/core.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "mojo/public/cpp/utility/run_loop.h"
+#include "mojo/services/public/cpp/view_manager/view.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
 #include "mojo/services/public/cpp/view_manager/view_tree_node.h"
+#include "ui/gfx/canvas.h"
 
 #if defined(WIN32)
 #if !defined(CDECL)
 #define CDECL __cdecl
 #endif
 #define SAMPLE_APP_EXPORT __declspec(dllexport)
 #else
 #define CDECL
 #define SAMPLE_APP_EXPORT __attribute__((visibility("default")))
 #endif
 
 namespace mojo {
 namespace examples {
 
 class SampleApp : public Application {
  public:
   explicit SampleApp(MojoHandle shell_handle)
       : Application(shell_handle) {
     view_manager_.reset(new view_manager::ViewManager(shell()));
     view_manager_->Init();
     view_manager::ViewTreeNode* node1 =
         view_manager::ViewTreeNode::Create(view_manager_.get());
     view_manager::ViewTreeNode* node11 =
         view_manager::ViewTreeNode::Create(view_manager_.get());
+    node11->SetBounds(gfx::Rect(800, 600));
+
+    view_manager::View* view11 =
+        view_manager::View::Create(view_manager_.get());
+    node11->SetActiveView(view11);
+    view_manager_->tree()->AddChild(node1);
     node1->AddChild(node11);
+
+    gfx::Canvas canvas(gfx::Size(800, 600), 1.0f, true);
+    canvas.DrawColor(SK_ColorRED);
+    view11->SetContents(
+        skia::GetTopDevice(*canvas.sk_canvas())->accessBitmap(true));
   }
 
   virtual ~SampleApp() {
   }
 
  private:
   // SampleApp creates a ViewManager and a trivial node hierarchy.
   scoped_ptr<view_manager::ViewManager> view_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(SampleApp);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 extern "C" SAMPLE_APP_EXPORT MojoResult CDECL MojoMain(
     MojoHandle shell_handle) {
   base::MessageLoop loop;
 
   mojo::examples::SampleApp app(shell_handle);
   loop.Run();
   return MOJO_RESULT_OK;
 }