Extracting placeholder information from Webkit to Blimp

blimp/engine/session/tab.cc

Index: blimp/engine/session/tab.cc
diff --git a/blimp/engine/session/tab.cc b/blimp/engine/session/tab.cc
index 895902350dcc244a3438d8d417faa6f5cd83685c..92143b727435e8cc2eb772b5cd6d719636e397ae 100644
--- a/blimp/engine/session/tab.cc
+++ b/blimp/engine/session/tab.cc
@@ -19,6 +19,7 @@
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/form_field_data.h"
 #include "content/public/common/renderer_preferences.h"
 #include "ui/aura/window.h"
 #include "ui/gfx/geometry/size.h"
@@ -34,7 +35,8 @@ Tab::Tab(std::unique_ptr<content::WebContents> web_contents,
       tab_id_(tab_id),
       render_widget_feature_(render_widget_feature),
       navigation_message_sender_(navigation_message_sender),
-      page_load_tracker_(web_contents_.get(), this) {
+      page_load_tracker_(web_contents_.get(), this),
+      weak_factory_(this) {
   DCHECK(render_widget_feature_);
   DCHECK(navigation_message_sender_);
 
@@ -168,6 +170,25 @@ void Tab::OnWebGestureEvent(content::RenderWidgetHost* render_widget_host,
   render_widget_host->ForwardGestureEvent(*event);
 }
 
+void Tab::ShowIme() {
+  content::ExtractFormFieldDataCallback reply =
+      base::Bind(&Tab::GetFocusedFormFieldData, weak_factory_.GetWeakPtr());
+
+  web_contents()->GetRenderWidgetHostView()->GetFocusedFormFieldData(reply);

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

What if I get a ShowIme() request while I'm waiting for the callback?  I
mentioned a way around it in the previous comment.  We should do something to
handle it properly.

+}
+
+void Tab::HideIme() {
+  render_widget_feature_->SendHideImeRequest(
+      tab_id(),
+      web_contents()->GetRenderWidgetHostView()->GetRenderWidgetHost());
+}
+
+void Tab::GetFocusedFormFieldData(const content::FormFieldData& field) {
+  render_widget_feature_->SendShowImeRequest(
+      tab_id(),
+      web_contents()->GetRenderWidgetHostView()->GetRenderWidgetHost(), field);
+}
+
 void Tab::OnCompositorMessageReceived(
     content::RenderWidgetHost* render_widget_host,
     const std::vector<uint8_t>& message) {