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 5fe7779a2716b142c9818f9a3b8dde01d9d0cd9e..0892bafa0651ad2f3630b7d59cf4cbd8902ff7be 100644
--- a/ui/android/window_android.cc
+++ b/ui/android/window_android.cc
@@ -12,6 +12,7 @@
 #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 {
 
@@ -20,6 +21,9 @@ using base::android::ScopedJavaLocalRef;
 
 WindowAndroid::WindowAndroid(JNIEnv* env, jobject obj) : compositor_(NULL) {
   java_window_.Reset(env, obj);
+  // TODO(gsennton) have our device display info depend on our (java) display
+  // context
+  device_display_info_ = make_scoped_ptr(new gfx::DeviceDisplayInfo());
 }
 
 void WindowAndroid::Destroy(JNIEnv* env, jobject obj) {
@@ -132,6 +136,10 @@ bool WindowAndroid::CanRequestPermission(const std::string& permission) {
       base::android::ConvertUTF8ToJavaString(env, permission).obj());
 }
 
+const gfx::DeviceDisplayInfo& WindowAndroid::GetDeviceDisplayInfo() {
+  return *device_display_info_;
+}
+
 // ----------------------------------------------------------------------------
 // Native JNI methods
 // ----------------------------------------------------------------------------