Support InputMethodManager#updateCursorAnchorInfo for Android 5.0 (C++ version)

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 5fd29f12512c4cd97d3e5dbdf8bf6b49f29d14b3..43812bd454246b18dfc32bc036ee3c2da69aac05 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -1242,6 +1242,19 @@ bool ContentViewCoreImpl::IsFullscreenRequiredForOrientationLock() const {
                                                                      obj.obj());
 }
 
+gfx::Vector2d ContentViewCoreImpl::GetLocationOnScreen() const {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return gfx::Vector2d();
+  const uint64 combined_coordinates = static_cast<uint64>(
+      Java_ContentViewCore_getLocationOnScreen(env, obj.obj()));
+  const uint32 high_dword = static_cast<uint32>(combined_coordinates >> 32);
+  const uint32 low_dword = static_cast<uint32>(combined_coordinates);
+  return gfx::Vector2d(static_cast<int32>(high_dword),
+                       static_cast<int32>(low_dword));
+}
+
 void ContentViewCoreImpl::SetAccessibilityEnabledInternal(bool enabled) {
   accessibility_enabled_ = enabled;
   BrowserAccessibilityStateImpl* accessibility_state =