Add a PPB_Find_Private function to set the tickmarks on the page.

ppapi/proxy/ppb_instance_proxy.cc

Index: ppapi/proxy/ppb_instance_proxy.cc
diff --git a/ppapi/proxy/ppb_instance_proxy.cc b/ppapi/proxy/ppb_instance_proxy.cc
index 3dda61b4e2a007a737d07ed8664d67fee67c0ac4..257d0d233240bbc515ec6e1b3281bc8121f204b8 100644
--- a/ppapi/proxy/ppb_instance_proxy.cc
+++ b/ppapi/proxy/ppb_instance_proxy.cc
@@ -133,6 +133,8 @@ bool PPB_Instance_Proxy::OnMessageReceived(const IPC::Message& msg) {
                         OnHostMsgNumberOfFindResultsChanged)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_SelectFindResultChanged,
                         OnHostMsgSelectFindResultChanged)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_SetTickmarks,
+                        OnHostMsgSetTickmarks)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_PostMessage,
                         OnHostMsgPostMessage)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstance_SetFullscreen,
@@ -335,6 +337,14 @@ void PPB_Instance_Proxy::SelectedFindResultChanged(PP_Instance instance,
       API_ID_PPB_INSTANCE, instance, index));
 }
 
+void PPB_Instance_Proxy::SetTickmarks(PP_Instance instance,
+                                      const PP_Rect* tickmarks,
+                                      uint32_t count) {
+  dispatcher()->Send(new PpapiHostMsg_PPBInstance_SetTickmarks(
+      API_ID_PPB_INSTANCE, instance,
+      std::vector<PP_Rect>(tickmarks, tickmarks + count)));
+}
+
 PP_Bool PPB_Instance_Proxy::IsFullscreen(PP_Instance instance) {
   InstanceData* data = static_cast<PluginDispatcher*>(dispatcher())->
       GetInstanceData(instance);
@@ -944,6 +954,21 @@ void PPB_Instance_Proxy::OnHostMsgSelectFindResultChanged(
     enter.functions()->SelectedFindResultChanged(instance, index);
 }
 
+void PPB_Instance_Proxy::OnHostMsgSetTickmarks(
+    PP_Instance instance,
+    const std::vector<PP_Rect>& tickmarks) {
+  if (!dispatcher()->permissions().HasPermission(PERMISSION_PRIVATE))
+    return;
+  if (tickmarks.empty())
+    return;
+  EnterInstanceNoLock enter(instance);
+  if (enter.succeeded()) {
+    enter.functions()->SetTickmarks(instance,
+                                    &tickmarks[0],
+                                    static_cast<uint32_t>(tickmarks.size()));
+  }
+}
+
 void PPB_Instance_Proxy::OnHostMsgSetFullscreen(PP_Instance instance,
                                                 PP_Bool fullscreen,
                                                 PP_Bool* result) {