Enable texture readback support for Android

content/browser/android/content_view_core_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <vector>
 
 #include "base/android/jni_helper.h"
@@ skipping 32 matching lines @@
                       ui::WindowAndroid* window_android);
 
   // ContentViewCore implementation.
   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() OVERRIDE;
   virtual WebContents* GetWebContents() const OVERRIDE;
   virtual ui::WindowAndroid* GetWindowAndroid() OVERRIDE;
   virtual void LoadUrl(NavigationController::LoadURLParams& params) OVERRIDE;
   virtual void OnWebPreferencesUpdated() OVERRIDE;
   virtual jint GetCurrentRenderProcessId(JNIEnv* env, jobject obj) OVERRIDE;
   virtual void ShowPastePopup(int x, int y) OVERRIDE;
+  virtual unsigned int GetScaledContentTexture(const gfx::Size& size) OVERRIDE;
 
   // --------------------------------------------------------------------------
   // Methods called from Java via JNI
   // --------------------------------------------------------------------------
 
   void OnJavaContentViewCoreDestroyed(JNIEnv* env, jobject obj);
 
   // Notifies the ContentViewCore that items were selected in the currently
   // showing select popup.
   void SelectPopupMenuItems(JNIEnv* env, jobject obj, jintArray indices);
@@ skipping 103 matching lines @@
   void Hide();
   void AddJavascriptInterface(JNIEnv* env,
                               jobject obj,
                               jobject object,
                               jstring name,
                               jboolean require_annotation);
   void RemoveJavascriptInterface(JNIEnv* env, jobject obj, jstring name);
   int GetNavigationHistory(JNIEnv* env, jobject obj, jobject context);
   void UpdateVSyncParameters(JNIEnv* env, jobject obj, jlong timebase_micros,
                              jlong interval_micros);
+  jboolean PopulateBitmapFromCompositor(JNIEnv* env,
+                                        jobject obj,
+                                        jobject jbitmap);
 
   // --------------------------------------------------------------------------
   // Public methods that call to Java via JNI
   // --------------------------------------------------------------------------
 
   // Creates a popup menu with |items|.
   // |multiple| defines if it should support multi-select.
   // If not |multiple|, |selected_item| sets the initially selected item.
   // Otherwise, item's "checked" flag selects it.
   void ShowSelectPopupMenu(const std::vector<WebMenuItem>& items,
@@ skipping 45 matching lines @@
 
   void InitWebContents();
 
   RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid();
 
   int GetTouchPadding();
 
   float DpiScale() const;
   WebKit::WebGestureEvent MakeGestureEvent(WebKit::WebInputEvent::Type type,
                                            long time_ms, int x, int y) const;
+
+  void DeleteScaledSnapshotTexture();
+
   struct JavaObject;
   JavaObject* java_object_;
 
   // A weak reference to the Java ContentViewCore object.
   JavaObjectWeakGlobalRef java_ref_;
 
   NotificationRegistrar notification_registrar_;
 
   // Reference to the current WebContents used to determine how and what to
   // display in the ContentViewCore.
   WebContentsImpl* web_contents_;
 
   // Whether the renderer backing this ContentViewCore has crashed.
   bool tab_crashed_;
 
   float dpi_scale_;
 
   // The owning window that has a hold of main application activity.
   ui::WindowAndroid* window_android_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_