Remove a bunch of NPAPI quirks and related support code

content/child/npapi/webplugin_delegate_impl.h

Index: content/child/npapi/webplugin_delegate_impl.h
diff --git a/content/child/npapi/webplugin_delegate_impl.h b/content/child/npapi/webplugin_delegate_impl.h
index f07256bba6b476349c003b084f8f2acb677e1d93..3ed44c4728697ceaf49b2b3d2d2c414f02105f8f 100644
--- a/content/child/npapi/webplugin_delegate_impl.h
+++ b/content/child/npapi/webplugin_delegate_impl.h
@@ -46,10 +46,6 @@ class WebPluginAcceleratedSurface;
 class ExternalDragTracker;
 #endif  // OS_MACOSX
 
-#if defined(OS_WIN)
-class WebPluginIMEWin;
-#endif  // OS_WIN
-
 // An implementation of WebPluginDelegate that runs in the plugin process,
 // proxied from the renderer by WebPluginDelegateProxy.
 class WebPluginDelegateImpl : public WebPluginDelegate {
@@ -111,21 +107,6 @@ class WebPluginDelegateImpl : public WebPluginDelegate {
   // Informs the plugin that the view it is in has gained or lost focus.
   void SetContentAreaHasFocus(bool has_focus);
 
-#if defined(OS_WIN)
-  // Informs the plugin that an IME has changed its status.
-  void ImeCompositionUpdated(const base::string16& text,
-                             const std::vector<int>& clauses,
-                             const std::vector<int>& target,
-                             int cursor_position);
-
-  // Informs the plugin that IME composition has completed./ If |text| is empty,
-  // IME was cancelled.
-  void ImeCompositionCompleted(const base::string16& text);
-
-  // Returns the IME status retrieved from a plugin.
-  bool GetIMEStatus(int* input_type, gfx::Rect* caret_rect);
-#endif
-
 #if defined(OS_MACOSX) && !defined(USE_AURA)
   // Informs the plugin that the geometry has changed, as with UpdateGeometry,
   // but also includes the new buffer context for that new geometry.
@@ -175,20 +156,6 @@ class WebPluginDelegateImpl : public WebPluginDelegate {
   // Called by DestroyInstance(), used for platform-specific destruction.
   void PlatformDestroyInstance();
 
-#if defined(OS_WIN)
-  // Our WndProc functions.
-  static LRESULT CALLBACK FlashWindowlessWndProc(
-      HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
-  static LRESULT CALLBACK DummyWindowProc(
-      HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
-
-  // Used for throttling Flash messages.
-  static void ClearThrottleQueueForWindow(HWND window);
-  static void OnThrottleMessage();
-  static void ThrottleMessage(WNDPROC proc, HWND hwnd, UINT message,
-      WPARAM wParam, LPARAM lParam);
-#endif
-
   //----------------------------
   // used for windowless plugins
   void WindowlessUpdateGeometry(const gfx::Rect& window_rect,
@@ -227,67 +194,12 @@ class WebPluginDelegateImpl : public WebPluginDelegate {
   WebPlugin* plugin_;
   scoped_refptr<PluginInstance> instance_;
 
-#if defined(OS_WIN)
-  // An IME emulator used by a windowless plugin to retrieve IME data through
-  // IMM32 functions.
-  scoped_ptr<WebPluginIMEWin> plugin_ime_;
-#endif  // defined(OS_WIN)
-
   NPWindow window_;
   gfx::Rect window_rect_;
   gfx::Rect clip_rect_;
   int quirks_;
 
-#if defined(OS_WIN)
-  // Windowless plugins don't have keyboard focus causing issues with the
-  // plugin not receiving keyboard events if the plugin enters a modal
-  // loop like TrackPopupMenuEx or MessageBox, etc.
-  // This is a basic issue with windows activation and focus arising due to
-  // the fact that these windows are created by different threads. Activation
-  // and focus are thread specific states, and if the browser has focus,
-  // the plugin may not have focus.
-  // To fix a majority of these activation issues we create a dummy visible
-  // child window to which we set focus whenever the windowless plugin
-  // receives a WM_LBUTTONDOWN/WM_RBUTTONDOWN message via NPP_HandleEvent.
-
-  HWND dummy_window_for_activation_;
-  HWND dummy_window_parent_;
-  WNDPROC old_dummy_window_proc_;
-  bool CreateDummyWindowForActivation();
-
-  // Returns true if the event passed in needs to be tracked for a potential
-  // modal loop.
-  static bool ShouldTrackEventForModalLoops(NPEvent* event);
-
-  // The message filter hook procedure, which tracks modal loops entered by
-  // a plugin in the course of a NPP_HandleEvent call.
-  static LRESULT CALLBACK HandleEventMessageFilterHook(int code, WPARAM wParam,
-                                                       LPARAM lParam);
-
-  // TrackPopupMenu interceptor. Parameters are the same as the Win32 function
-  // TrackPopupMenu.
-  static BOOL WINAPI TrackPopupMenuPatch(HMENU menu, unsigned int flags, int x,
-                                         int y, int reserved, HWND window,
-                                         const RECT* rect);
-
-  // SetCursor interceptor for windowless plugins.
-  static HCURSOR WINAPI SetCursorPatch(HCURSOR cursor);
-
-  // RegEnumKeyExW interceptor.
-  static LONG WINAPI RegEnumKeyExWPatch(
-      HKEY key, DWORD index, LPWSTR name, LPDWORD name_size, LPDWORD reserved,
-      LPWSTR class_name, LPDWORD class_size, PFILETIME last_write_time);
-
-  // GetProcAddress intercepter for windowless plugins.
-  static FARPROC WINAPI GetProcAddressPatch(HMODULE module, LPCSTR name);
-
-  // WindowFromPoint patch for Flash windowless plugins. When flash receives
-  // mouse move messages it calls the WindowFromPoint API to eventually convert
-  // the mouse coordinates to screen. We need to return the dummy plugin parent
-  // window for Aura to ensure that these conversions occur correctly.
-  static HWND WINAPI WindowFromPointPatch(POINT point);
-
-#elif defined(OS_MACOSX) && !defined(USE_AURA)
+#if defined(OS_MACOSX) && !defined(USE_AURA)
   // Sets window_rect_ to |rect|
   void SetPluginRect(const gfx::Rect& rect);
   // Sets content_area_origin to |origin|
@@ -340,15 +252,6 @@ class WebPluginDelegateImpl : public WebPluginDelegate {
   // The url with which the plugin was instantiated.
   std::string plugin_url_;
 
-#if defined(OS_WIN)
-  // Handle to the message filter hook
-  HHOOK handle_event_message_filter_hook_;
-
-  // Event which is set when the plugin enters a modal loop in the course
-  // of a NPP_HandleEvent call.
-  HANDLE handle_event_pump_messages_event_;
-#endif
-
   // Holds the depth of the HandleEvent callstack.
   int handle_event_depth_;