Add a basic linux client for Blimp.

blimp/client/compositor/blimp_compositor.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 BLIMP_CLIENT_COMPOSITOR_BLIMP_COMPOSITOR_H_
 #define BLIMP_CLIENT_COMPOSITOR_BLIMP_COMPOSITOR_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 28 matching lines @@
 // surface this compositor draws to is defined by the gfx::AcceleratedWidget set
 // by SetAcceleratedWidget().  This class should only be accessed from the main
 // thread.  Any interaction with the compositing thread should happen through
 // the LayerTreeHost or RemoteChannelImpl.
 class BLIMP_CLIENT_EXPORT BlimpCompositor
     : public cc::LayerTreeHostClient,
       public cc::RemoteProtoChannel,
       public RenderWidgetFeature::RenderWidgetFeatureDelegate,
       public BlimpInputManagerClient {
  public:
+  // |dp_to_px| is the scale factor required to move from dp (device pixels) to
+  // px.  See https://developer.android.com/guide/practices/screens_support.html
+  // for more details.
+  BlimpCompositor(float dp_to_px, RenderWidgetFeature* render_widget_feature);
+
   ~BlimpCompositor() override;
 
   // Default layer settings for all Blimp layer instances.
   static cc::LayerSettings LayerSettings();
 
   // Sets whether or not this compositor actually draws to the output surface.
   // Setting this to false will make the compositor drop all of its resources
   // and the output surface.  Setting it to true again will rebuild the output
   // surface from the gfx::AcceleratedWidget (see SetAcceleratedWidget).
   void SetVisible(bool visible);
@@ skipping 12 matching lines @@
   // Releases the internally stored gfx::AcceleratedWidget and the associated
   // output surface.  This must be called before calling
   // SetAcceleratedWidget() with the same gfx::AcceleratedWidget on another
   // compositor.
   void ReleaseAcceleratedWidget();
 
   // Forwards the touch event to the |input_manager_|.
   bool OnTouchEvent(const ui::MotionEvent& motion_event);
 
  protected:
-  // |dp_to_px| is the scale factor required to move from dp (device pixels) to
-  // px.  See https://developer.android.com/guide/practices/screens_support.html
-  // for more details.
-  BlimpCompositor(float dp_to_px, RenderWidgetFeature* render_widget_feature);
-
   // Populates the cc::LayerTreeSettings used by the cc::LayerTreeHost.  Can be
   // overridden to provide custom settings parameters.
   virtual void GenerateLayerTreeSettings(cc::LayerTreeSettings* settings);
 
  private:
   // LayerTreeHostClient implementation.
   void WillBeginMainFrame() override;
   void DidBeginMainFrame() override;
   void BeginMainFrame(const cc::BeginFrameArgs& args) override;
   void BeginMainFrameNotExpectedSoon() override;
@@ skipping 77 matching lines @@
   // the manager to be handled by the client compositor for the current render
   // widget.
   scoped_ptr<BlimpInputManager> input_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpCompositor);
 };
 
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_COMPOSITOR_BLIMP_COMPOSITOR_H_