Blimp: IME should submit form with text

blimp/client/core/contents/ime_feature.h

Index: blimp/client/core/contents/ime_feature.h
diff --git a/blimp/client/core/contents/ime_feature.h b/blimp/client/core/contents/ime_feature.h
index c8ff6a473116a032029f9e1e8f4db679ea5487c3..48757ed22b69b82368eaa0293dc702e4a6453b3d 100644
--- a/blimp/client/core/contents/ime_feature.h
+++ b/blimp/client/core/contents/ime_feature.h
@@ -27,16 +27,35 @@ namespace client {
 
 class ImeFeature : public BlimpMessageProcessor {
  public:
+  struct WebInputResponse;
+
   // A callback to show IME.
-  using ShowImeCallback = base::Callback<void(const std::string&)>;
+  using ShowImeCallback = base::Callback<void(const WebInputResponse&)>;
+
+  // A bundle of params required by the client.
+  struct WebInputRequest {
+    WebInputRequest();
+    ~WebInputRequest();
+
+    ui::TextInputType input_type;
+    std::string text;
+    ShowImeCallback show_ime_callback;
+  };
+
+  // A bundle of params to be sent to the engine.
+  struct WebInputResponse {
+    WebInputResponse();
+    ~WebInputResponse() = default;
+
+    std::string text;
+    bool submit;
+  };
 
   // A delegate to be notified of text input requests.
   class Delegate {
    public:
     virtual ~Delegate() {}
-    virtual void OnShowImeRequested(ui::TextInputType input_type,
-                                    const std::string& text,
-                                    const ShowImeCallback& callback) = 0;
+    virtual void OnShowImeRequested(const WebInputRequest& request) = 0;
     virtual void OnHideImeRequested() = 0;
   };
 
@@ -63,7 +82,7 @@ class ImeFeature : public BlimpMessageProcessor {
   // Sends text from IME to the blimp engine.
   void OnImeTextEntered(int tab_id,
                         int render_widget_id,
-                        const std::string& text);
+                        const WebInputResponse& response);
 
   // Used to actually show or hide the IME. See notes on |set_delegate|.
   Delegate* delegate_ = nullptr;