Hookup android_webview scroll offset delegation to Java side.

android_webview/native/aw_contents.cc

Index: android_webview/native/aw_contents.cc
diff --git a/android_webview/native/aw_contents.cc b/android_webview/native/aw_contents.cc
index 8d726da2afbd400a57ef2123a8eca18634835f8a..bc9704fc8fd30c7f7fcafb18f28ec9f2d33f92a0 100644
--- a/android_webview/native/aw_contents.cc
+++ b/android_webview/native/aw_contents.cc
@@ -649,19 +649,20 @@ bool AwContents::OnDraw(JNIEnv* env,
                         jobject obj,
                         jobject canvas,
                         jboolean is_hardware_accelerated,
-                        jint scroll_x,
-                        jint scroll_y,
+                        jint scroll_x_pix,
+                        jint scroll_y_pix,
                         jint clip_left,
                         jint clip_top,
                         jint clip_right,
                         jint clip_bottom) {
-  return browser_view_renderer_->OnDraw(canvas,
-                                        is_hardware_accelerated,
-                                        gfx::Point(scroll_x, scroll_y),
-                                        gfx::Rect(clip_left,
-                                                  clip_top,
-                                                  clip_right - clip_left,
-                                                  clip_bottom - clip_top));
+  return browser_view_renderer_->OnDraw(
+      canvas,
+      is_hardware_accelerated,
+      gfx::Vector2d(scroll_x_pix, scroll_y_pix),
+      gfx::Rect(clip_left,
+                clip_top,
+                clip_right - clip_left,
+                clip_bottom - clip_top));
 }
 
 void AwContents::SetPendingWebContentsForPopup(
@@ -697,6 +698,19 @@ gfx::Point AwContents::GetLocationOnScreen() {
   return gfx::Point(location[0], location[1]);
 }
 
+void AwContents::ScrollContainerViewTo(gfx::Vector2dF new_value_css) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+  Java_AwContents_scrollContainerViewTo(
+      env, obj.obj(), new_value_css.x(), new_value_css.y());
+}
+
+void AwContents::ScrollTo(JNIEnv* env, jobject obj, jint x, jint y) {
+  browser_view_renderer_->ScrollTo(gfx::Vector2dF(x, y));
+}
+
 void AwContents::OnPageScaleFactorChanged(float page_scale_factor) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);