Some improvement of validation message bubble UI.

chrome/browser/ui/android/validation_message_bubble_android.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/android/validation_message_bubble_android.h"
 
 #include "base/android/jni_string.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/ValidationMessageBubble_jni.h"
 #include "ui/gfx/rect.h"
 
 using base::android::ConvertUTF16ToJavaString;
 using content::ContentViewCore;
 using content::RenderWidgetHost;
 
 namespace {
 
 inline ContentViewCore* GetContentViewCoreFrom(RenderWidgetHost* widget_host) {
   return ContentViewCore::FromWebContents(
       content::WebContents::FromRenderViewHost(
           content::RenderViewHost::From(widget_host)));
 }
 
 }
 
 ValidationMessageBubbleAndroid::ValidationMessageBubbleAndroid(
     RenderWidgetHost* widget_host,
-    const gfx::Rect& anchor_in_screen,
+    const gfx::Rect& anchor_in_root_view,
     const string16& main_text,
     const string16& sub_text) {
   JNIEnv* env = base::android::AttachCurrentThread();
   java_validation_message_bubble_.Reset(
       Java_ValidationMessageBubble_createAndShow(
           env,
           GetContentViewCoreFrom(widget_host)->GetJavaObject().obj(),
-          anchor_in_screen.x(),
-          anchor_in_screen.y(),
-          anchor_in_screen.width(),
-          anchor_in_screen.height(),
+          anchor_in_root_view.x(),
+          anchor_in_root_view.y(),
+          anchor_in_root_view.width(),
+          anchor_in_root_view.height(),
           ConvertUTF16ToJavaString(env, main_text).obj(),
           ConvertUTF16ToJavaString(env, sub_text).obj()));
 }
 
 ValidationMessageBubbleAndroid::~ValidationMessageBubbleAndroid() {
   Java_ValidationMessageBubble_close(base::android::AttachCurrentThread(),
                                      java_validation_message_bubble_.obj());
 }
 
-void ValidationMessageBubbleAndroid::MoveOnAnchor(
-    RenderWidgetHost* widget_host, const gfx::Rect& anchor_in_screen) {
+void ValidationMessageBubbleAndroid::SetPositionRelativeToAnchor(
+    RenderWidgetHost* widget_host, const gfx::Rect& anchor_in_root_view) {
   Java_ValidationMessageBubble_moveOnAnchor(
       base::android::AttachCurrentThread(),
       java_validation_message_bubble_.obj(),
       GetContentViewCoreFrom(widget_host)->GetJavaObject().obj(),
-      anchor_in_screen.x(),
-      anchor_in_screen.y(),
-      anchor_in_screen.width(),
-      anchor_in_screen.height());
+      anchor_in_root_view.x(),
+      anchor_in_root_view.y(),
+      anchor_in_root_view.width(),
+      anchor_in_root_view.height());
 }
 
 // static
 bool ValidationMessageBubbleAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 namespace chrome {
 
 scoped_ptr<ValidationMessageBubble> ValidationMessageBubble::CreateAndShow(
     RenderWidgetHost* widget_host,
-    const gfx::Rect& anchor_in_screen,
+    const gfx::Rect& anchor_in_root_view,
     const string16& main_text,
     const string16& sub_text) {
   return scoped_ptr<ValidationMessageBubble>(new ValidationMessageBubbleAndroid(
-      widget_host, anchor_in_screen, main_text, sub_text)).Pass();
+      widget_host, anchor_in_root_view, main_text, sub_text)).Pass();
 }
 
-}
+}  // namespace chrome