Extracting placeholder information from Webkit to Blimp

blimp/engine/session/tab.h

Index: blimp/engine/session/tab.h
diff --git a/blimp/engine/session/tab.h b/blimp/engine/session/tab.h
index e6cb86c822caec02bcf63c846d39148f2fc78a5a..f49e0ff6b70d6cd01543eb22ffbf757ed8979078 100644
--- a/blimp/engine/session/tab.h
+++ b/blimp/engine/session/tab.h
@@ -14,6 +14,7 @@
 namespace content {
 class RenderViewHost;
 class WebContents;
+struct FormFieldData;
 }
 
 namespace blimp {
@@ -69,6 +70,10 @@ class Tab : public content::WebContentsObserver,
       content::RenderWidgetHost* render_widget_host,
       const std::vector<uint8_t>& message) override;
 
+  // Text input related methods.
+  void ShowIme();

[David Trainor- moved to gerrit, 2016/11/03 04:25:49]

ShowFormInputUI/HideFormInputUI?

+  void HideIme();
+
  private:
   // content::WebContentsObserver implementation.
   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
@@ -76,6 +81,9 @@ class Tab : public content::WebContentsObserver,
                              content::RenderViewHost* new_host) override;
   void RenderViewDeleted(content::RenderViewHost* render_view_host) override;
 
+  // Sends text input field related information to the client.
+  void GetFocusedFormFieldData(const content::FormFieldData& field_data);
+
   std::unique_ptr<content::WebContents> web_contents_;
   const int tab_id_;
   EngineRenderWidgetFeature* render_widget_feature_;
@@ -84,6 +92,8 @@ class Tab : public content::WebContentsObserver,
   // Tracks the page load status for a tab.
   PageLoadTracker page_load_tracker_;
 
+  base::WeakPtrFactory<Tab> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };