Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/app/android/blimp_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 BLIMP_CLIENT_APP_ANDROID_BLIMP_VIEW_H_
 #define BLIMP_CLIENT_APP_ANDROID_BLIMP_VIEW_H_
 
 #include <memory>
 
 #include "base/android/jni_android.h"
 #include "base/macros.h"
 #include "blimp/client/feature/compositor/blimp_compositor_manager.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace blimp {
 namespace client {
 class BlimpCompositorDependencies;
 class BlimpCompositorManager;
 class BrowserCompositor;
+
+namespace app {
 class RenderWidgetFeature;
 
 // The native component of org.chromium.blimp.BlimpView.  This builds and
 // maintains a BlimpCompositorAndroid and handles notifying the compositor of
 // SurfaceView surface changes (size, creation, destruction, etc.).
 class BlimpView {
  public:
   static bool RegisterJni(JNIEnv* env);
 
   // |real_size| is the total display area including system decorations (see
   // android.view.Display.getRealSize()).  |size| is the total display
   // area not including system decorations (see android.view.Display.getSize()).
   // |dp_to_px| is the scale factor that is required to convert dp (device
   // pixels) to px.
   BlimpView(JNIEnv* env,
             const base::android::JavaParamRef<jobject>& jobj,
             const gfx::Size& real_size,
             const gfx::Size& size,
             float dp_to_px,
-            RenderWidgetFeature* render_widget_feature);
+            blimp::client::RenderWidgetFeature* render_widget_feature);
 
   // Methods called from Java via JNI.
   void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& jobj);
   void OnContentAreaSizeChanged(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& jobj,
       jint width,
       jint height,
       jfloat dpToPx);
   void OnSurfaceChanged(JNIEnv* env,
@@ skipping 56 matching lines @@
   // android.graphics.PixelFormat.java.
   int current_surface_format_;
 
   gfx::AcceleratedWidget window_;
 
   base::WeakPtrFactory<BlimpView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpView);
 };
 
+}  // namespace app
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_APP_ANDROID_BLIMP_VIEW_H_