Make some editing/selection functions accessible to c/b/renderer_host/

content/browser/renderer_host/render_widget_host_delegate.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_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace blink {
 class WebMouseWheelEvent;
 class WebGestureEvent;
 }
 
+namespace gfx {
+class Point;
+}
+
 namespace content {
 
 class BrowserAccessibilityManager;
 class RenderWidgetHostImpl;
 struct NativeWebKeyboardEvent;
 
 //
 // RenderWidgetHostDelegate
 //
 //  An interface implemented by an object interested in knowing about the state
@@ skipping 40 matching lines @@
   virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) {}
 
   // Get the root BrowserAccessibilityManager for this frame tree.
   virtual BrowserAccessibilityManager* GetRootBrowserAccessibilityManager();
 
   // Get the root BrowserAccessibilityManager for this frame tree,
   // or create it if it doesn't exist.
   virtual BrowserAccessibilityManager*
       GetOrCreateRootBrowserAccessibilityManager();
 
+  // Send OS Cut/Copy/Paste actions to the focused frame.
+  virtual void Cut() {}

[nasko, 2015/06/04 20:18:00]

Since these are also present in WebContents.h, I think they need to be pure
virtual here as well.

[mohsen, 2015/06/04 23:11:38]

Yeah, event if they don't need to, making them pure virtual would make it
cleaner/safer, though I need to add empty implementations to some derived
classes. Done.

+  virtual void Copy() {}
+  virtual void Paste() {}
+
+  // Requests the renderer to move the selection extent to a new position.
+  virtual void MoveRangeSelectionExtent(const gfx::Point& extent) {}
+
+  // Requests the renderer to select the region between two points in the
+  // currently focused frame.
+  virtual void SelectRange(const gfx::Point& base, const gfx::Point& extent) {}
+
 #if defined(OS_WIN)
   virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();
 #endif
 
  protected:
   virtual ~RenderWidgetHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_