mojo: Create a basic clipboard.

mojo/services/html_viewer/blink_platform_impl.h

Index: mojo/services/html_viewer/blink_platform_impl.h
diff --git a/mojo/services/html_viewer/blink_platform_impl.h b/mojo/services/html_viewer/blink_platform_impl.h
index aeae757bec009e32aa05b9ce8cdb0064f22ea37b..522f98da451332c68cd9a55ff085a510803de55b 100644
--- a/mojo/services/html_viewer/blink_platform_impl.h
+++ b/mojo/services/html_viewer/blink_platform_impl.h
@@ -18,6 +18,7 @@
 
 namespace mojo {
 class ApplicationImpl;
+class WebClipboardImpl;
 class WebCookieJarImpl;
 
 class BlinkPlatformImpl : public blink::Platform {
@@ -27,6 +28,7 @@ class BlinkPlatformImpl : public blink::Platform {
 
   // blink::Platform methods:
   virtual blink::WebCookieJar* cookieJar();
+  virtual blink::WebClipboard* clipboard();
   virtual blink::WebMimeRegistry* mimeRegistry();
   virtual blink::WebThemeEngine* themeEngine();
   virtual blink::WebString defaultLocale();
@@ -78,6 +80,7 @@ class BlinkPlatformImpl : public blink::Platform {
   cc_blink::WebCompositorSupportImpl compositor_support_;
   WebThemeEngineImpl theme_engine_;
   scoped_ptr<WebCookieJarImpl> cookie_jar_;
+  scoped_ptr<WebClipboardImpl> clipboard_;
   WebMimeRegistryImpl mime_registry_;
   blink::WebScrollbarBehavior scrollbar_behavior_;