Add DeviceDisplayInfo getter in WindowAndroid.

ui/android/window_android.cc

Index: ui/android/window_android.cc
diff --git a/ui/android/window_android.cc b/ui/android/window_android.cc
index 970ddd0415d12fa59ce06c5648f26e87c981b339..e48d4a1ce05e4d939f2d905bb4db25f269c5322c 100644
--- a/ui/android/window_android.cc
+++ b/ui/android/window_android.cc
@@ -13,15 +13,19 @@
 #include "jni/WindowAndroid_jni.h"
 #include "ui/android/window_android_compositor.h"
 #include "ui/android/window_android_observer.h"
+#include "ui/gfx/android/device_display_info.h"
 
 namespace ui {
 
 using base::android::AttachCurrentThread;
 using base::android::ScopedJavaLocalRef;
 
-WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj) : compositor_(NULL) {
-  java_window_.Reset(env, obj);
-}
+WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj)
+    : java_window_(env, obj),
+      compositor_(NULL),
+      // TODO(gsennton): have our device display info depend on our (java)
+      // display context
+      device_display_info_(new gfx::DeviceDisplayInfo()) {}
 
 void WindowAndroid::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   delete this;
@@ -142,6 +146,10 @@ bool WindowAndroid::CanRequestPermission(const std::string& permission) {
       base::android::ConvertUTF8ToJavaString(env, permission).obj());
 }
 
+const gfx::DeviceDisplayInfo& WindowAndroid::GetDeviceDisplayInfo() const {
+  return *device_display_info_;
+}
+
 // ----------------------------------------------------------------------------
 // Native JNI methods
 // ----------------------------------------------------------------------------