Expose Blimp dependencies to the embedder

blimp/client/app/android/blimp_view.h

Index: blimp/client/app/android/blimp_view.h
diff --git a/blimp/client/app/android/blimp_view.h b/blimp/client/app/android/blimp_view.h
index 1c417e20ead295511a95e60472d164cd5442bd16..5ba4875120376e99bc9aa499b7bb943634e53ede 100644
--- a/blimp/client/app/android/blimp_view.h
+++ b/blimp/client/app/android/blimp_view.h
@@ -9,7 +9,7 @@
 
 #include "base/android/jni_android.h"
 #include "base/macros.h"
-#include "blimp/client/app/android/blimp_compositor_manager_android.h"
+#include "blimp/client/feature/compositor/blimp_compositor_manager.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace gfx {
@@ -18,6 +18,8 @@ class Size;
 
 namespace blimp {
 namespace client {
+class BlimpCompositorDependencies;
+class BlimpCompositorManager;
 class BrowserCompositor;
 class RenderWidgetFeature;
 
@@ -100,10 +102,10 @@ class BlimpView {
 
   const float device_scale_factor_;
 
+  std::unique_ptr<BlimpCompositorDependencies> compositor_dependencies_;
+  std::unique_ptr<BlimpCompositorManager> compositor_manager_;
   std::unique_ptr<BrowserCompositor> compositor_;
 
-  std::unique_ptr<BlimpCompositorManagerAndroid> compositor_manager_;
-
   // The format of the current surface owned by |compositor_|.  See
   // android.graphics.PixelFormat.java.
   int current_surface_format_;