ppapi: Add test for touch-event support.

content/test/test_renderer_host.cc

Index: content/test/test_renderer_host.cc
diff --git a/content/test/test_renderer_host.cc b/content/test/test_renderer_host.cc
index ee1adf2aa98e029b299646773de98e317e810675..324f8b52204fe0a68d1563aa3e3e469975c7a22b 100644
--- a/content/test/test_renderer_host.cc
+++ b/content/test/test_renderer_host.cc
@@ -5,6 +5,7 @@
 #include "content/public/test/test_renderer_host.h"
 
 #include "content/browser/renderer_host/render_view_host_factory.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
@@ -51,6 +52,12 @@ bool RenderViewHostTester::TestOnMessageReceived(RenderViewHost* rvh,
   return static_cast<RenderViewHostImpl*>(rvh)->OnMessageReceived(msg);
 }
 
+// static
+bool RenderViewHostTester::HasTouchEventHandler(RenderViewHost* rvh) {
+  RenderWidgetHostImpl* host_impl = RenderWidgetHostImpl::From(rvh);
+  return host_impl->has_touch_handler();
+}
+
 RenderViewHostTestEnabler::RenderViewHostTestEnabler()
     : rph_factory_(new MockRenderProcessHostFactory()),
       rvh_factory_(new TestRenderViewHostFactory(rph_factory_.get())) {