Store physical backing size in ViewAndroid

chrome/browser/android/compositor/compositor_view.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_ANDROID_COMPOSITOR_COMPOSITOR_VIEW_H_
 #define CHROME_BROWSER_ANDROID_COMPOSITOR_COMPOSITOR_VIEW_H_
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
@@ skipping 50 matching lines @@
   void SurfaceCreated(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& object);
   void SurfaceDestroyed(JNIEnv* env,
                         const base::android::JavaParamRef<jobject>& object);
   void SurfaceChanged(JNIEnv* env,
                       const base::android::JavaParamRef<jobject>& object,
                       jint format,
                       jint width,
                       jint height,
                       const base::android::JavaParamRef<jobject>& surface);
+  void OnPhysicalBackingSizeChanged(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>& obj,
+      const base::android::JavaParamRef<jobject>& jweb_contents,
+      jint width,
+      jint height);
 
   void SetOverlayVideoMode(JNIEnv* env,
                            const base::android::JavaParamRef<jobject>& object,
                            bool enabled);
   void SetSceneLayer(JNIEnv* env,
                      const base::android::JavaParamRef<jobject>& object,
                      const base::android::JavaParamRef<jobject>& jscene_layer);
 
   // CompositorClient implementation:
   void UpdateLayerTreeHost() override;
@@ skipping 28 matching lines @@
   base::WeakPtrFactory<CompositorView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorView);
 };
 
 bool RegisterCompositorView(JNIEnv* env);
 
 }  // namespace android
 
 #endif  // CHROME_BROWSER_ANDROID_COMPOSITOR_COMPOSITOR_VIEW_H_