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 5aaf3582ada626b3b7fa275e92adae2db1ad1c83..73c7206d5092a1273b3ac319db08f90125130a15 100644
--- a/mojo/services/html_viewer/blink_platform_impl.h
+++ b/mojo/services/html_viewer/blink_platform_impl.h
@@ -17,6 +17,7 @@
 
 namespace mojo {
 class ApplicationImpl;
+class WebClipboardImpl;
 class WebCookieJarImpl;
 
 class BlinkPlatformImpl : public blink::Platform {
@@ -26,6 +27,7 @@ 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();
@@ -74,6 +76,7 @@ class BlinkPlatformImpl : public blink::Platform {
   base::ThreadLocalStorage::Slot current_thread_slot_;
   WebThemeEngineImpl theme_engine_;
   scoped_ptr<WebCookieJarImpl> cookie_jar_;
+  scoped_ptr<WebClipboardImpl> clipboard_;
   WebMimeRegistryImpl mime_registry_;
   blink::WebScrollbarBehavior scrollbar_behavior_;