Revert of Remove a bunch of NPAPI quirks and related support code

content/plugin/webplugin_delegate_stub.cc

Index: content/plugin/webplugin_delegate_stub.cc
diff --git a/content/plugin/webplugin_delegate_stub.cc b/content/plugin/webplugin_delegate_stub.cc
index a70be976e4a75b813121f7809b891eb57a69a565..0f1db98f926003e996ebdd4e2f5eac293d213b96 100644
--- a/content/plugin/webplugin_delegate_stub.cc
+++ b/content/plugin/webplugin_delegate_stub.cc
@@ -103,6 +103,12 @@
     IPC_MESSAGE_HANDLER(PluginMsg_UpdateGeometry, OnUpdateGeometry)
     IPC_MESSAGE_HANDLER(PluginMsg_UpdateGeometrySync, OnUpdateGeometry)
     IPC_MESSAGE_HANDLER(PluginMsg_SetContentAreaFocus, OnSetContentAreaFocus)
+#if defined(OS_WIN) && !defined(USE_AURA)
+    IPC_MESSAGE_HANDLER(PluginMsg_ImeCompositionUpdated,
+                        OnImeCompositionUpdated)
+    IPC_MESSAGE_HANDLER(PluginMsg_ImeCompositionCompleted,
+                        OnImeCompositionCompleted)
+#endif
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(PluginMsg_SetWindowFocus, OnSetWindowFocus)
     IPC_MESSAGE_HANDLER(PluginMsg_ContainerHidden, OnContainerHidden)
@@ -173,6 +179,10 @@
 
 void WebPluginDelegateStub::OnSetFocus(bool focused) {
   delegate_->SetFocus(focused);
+#if defined(OS_WIN) && !defined(USE_AURA)
+  if (focused)
+    webplugin_->UpdateIMEStatus();
+#endif
 }
 
 void WebPluginDelegateStub::OnHandleInputEvent(
@@ -233,6 +243,24 @@
     delegate_->SetContentAreaHasFocus(has_focus);
 }
 
+#if defined(OS_WIN) && !defined(USE_AURA)
+void WebPluginDelegateStub::OnImeCompositionUpdated(
+    const base::string16& text,
+    const std::vector<int>& clauses,
+    const std::vector<int>& target,
+    int cursor_position) {
+  if (delegate_)
+    delegate_->ImeCompositionUpdated(text, clauses, target, cursor_position);
+  webplugin_->UpdateIMEStatus();
+}
+
+void WebPluginDelegateStub::OnImeCompositionCompleted(
+    const base::string16& text) {
+  if (delegate_)
+    delegate_->ImeCompositionCompleted(text);
+}
+#endif
+
 #if defined(OS_MACOSX)
 void WebPluginDelegateStub::OnSetWindowFocus(bool has_focus) {
   if (delegate_)