Add support for edit commands in OOPIFs.

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 97fe63c6722eddd51a29c506b5bf630527261bdd..0ff4d8fa3a51560cd9d28164727af198750ef72e 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -21,6 +21,7 @@
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/common/cursors/webcursor.h"
+#include "content/common/edit_command.h"
 #include "content/common/input/synthetic_gesture_params.h"
 #include "content/renderer/devtools/render_widget_screen_metrics_emulator_delegate.h"
 #include "content/renderer/gpu/render_widget_compositor_delegate.h"
@@ -163,6 +164,12 @@ class CONTENT_EXPORT RenderWidget
   // ScreenInfo exposed so it can be passed to subframe RenderWidgets.
   blink::WebScreenInfo screen_info() const { return screen_info_; }
 
+  // Manage edit commands to be used for the next keyboard event.
+  const EditCommands& edit_commands() const { return edit_commands_; }
+  void SetEditCommandForNextKeyEvent(const std::string& name,
+                                     const std::string& value);
+  void ClearEditCommands();
+
   // Functions to track out-of-process frames for special notifications.
   void RegisterRenderFrameProxy(RenderFrameProxy* proxy);
   void UnregisterRenderFrameProxy(RenderFrameProxy* proxy);
@@ -452,6 +459,7 @@ class CONTENT_EXPORT RenderWidget
                           InputEventDispatchType dispatch_type);
   void OnCursorVisibilityChange(bool is_visible);
   void OnMouseCaptureLost();
+  void OnSetEditCommandsForNextKeyEvent(const EditCommands& edit_commands);
   virtual void OnSetFocus(bool enable);
   void OnClose();
   void OnCreatingNewAck();
@@ -794,6 +802,10 @@ class CONTENT_EXPORT RenderWidget
   // related state from the plugin to later send to the browser.
   PepperPluginInstanceImpl* focused_pepper_plugin_;
 
+  // Stores edit commands associated to the next key event.
+  // Will be cleared as soon as the next key event is processed.
+  EditCommands edit_commands_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };