Confirm the compostion text on TAP gesture.

content/browser/renderer_host/ime_adapter_android.cc

Index: content/browser/renderer_host/ime_adapter_android.cc
diff --git a/content/browser/renderer_host/ime_adapter_android.cc b/content/browser/renderer_host/ime_adapter_android.cc
index ac820f5765c3a7bf214293e8271e7bba7951f972..0ede46588d5e0afdbf5a51953c8c23dc9211b195 100644
--- a/content/browser/renderer_host/ime_adapter_android.cc
+++ b/content/browser/renderer_host/ime_adapter_android.cc
@@ -227,6 +227,14 @@ void ImeAdapterAndroid::CancelComposition() {
     Java_ImeAdapter_cancelComposition(AttachCurrentThread(), obj.obj());
 }
 
+bool ImeAdapterAndroid::HasComposition() {

[jdduke (slow), 2015/03/18 19:50:08]

Would it be worth simply moving all the FinishComposition logic here? There's
already a CancelComposition and FinishComposingText here so that should fit in
nicely.

+  base::android::ScopedJavaLocalRef<jobject> obj =
+      java_ime_adapter_.get(AttachCurrentThread());
+  if (!obj.is_null())
+    return Java_ImeAdapter_hasComposition(AttachCurrentThread(), obj.obj());
+  return false;
+}
+
 void ImeAdapterAndroid::FocusedNodeChanged(bool is_editable_node) {
   base::android::ScopedJavaLocalRef<jobject> obj =
       java_ime_adapter_.get(AttachCurrentThread());