Expose Blimp dependencies to the embedder

blimp/client/support/compositor/android/compositor_dependencies_impl_android.h

Index: blimp/client/support/compositor/android/compositor_dependencies_impl_android.h
diff --git a/blimp/client/support/compositor/android/compositor_dependencies_impl_android.h b/blimp/client/support/compositor/android/compositor_dependencies_impl_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..ef13cec172d71efbf64a7a704d43cbd44447c26d
--- /dev/null
+++ b/blimp/client/support/compositor/android/compositor_dependencies_impl_android.h
@@ -0,0 +1,43 @@
+// Copyright 2016 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_SUPPORT_COMPOSITOR_ANDROID_COMPOSITOR_DEPENDENCIES_IMPL_ANDROID_H_
+#define BLIMP_CLIENT_SUPPORT_COMPOSITOR_ANDROID_COMPOSITOR_DEPENDENCIES_IMPL_ANDROID_H_
+
+#include "base/macros.h"
+#include "blimp/client/support/compositor/compositor_dependencies_impl.h"
+
+namespace gfx {
+class Size;
+}
+
+namespace blimp {
+namespace client {
+
+class CompositorDependenciesImplAndroid : public CompositorDependenciesImpl {
+ public:
+  CompositorDependenciesImplAndroid(const gfx::Size& real_size,

[Khushal, 2016/08/24 23:22:46]

I think we can get rid of the android subclass and just query it using the
gfx::DeviceDisplayInfo, the way the renderer compositor does this,
https://cs.chromium.org/chromium/src/content/renderer/gpu/render_widget_compo...

[David Trainor- moved to gerrit, 2016/08/26 17:15:54]

Done.

+                                    const gfx::Size& size);
+  ~CompositorDependenciesImplAndroid() override;
+
+  std::unique_ptr<cc::LayerTreeSettings> GetLayerTreeSettings() override;
+
+ private:
+  // Used to determine tile size for the compositor's rastered tiles. For a
+  // device of width X height |portrait_width_| will be min(width, height) and
+  // |landscape_width_| will be max(width, height).
+  int portrait_width_;
+  int landscape_width_;
+
+  // True if the |portrait_width_| and |landscape_width_| represent the device's
+  // physical dimensions, including any area occupied by system decorations.
+  bool real_size_supported_;
+
+  DISALLOW_COPY_AND_ASSIGN(CompositorDependenciesImplAndroid);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_SUPPORT_COMPOSITOR_ANDROID_COMPOSITOR_DEPENDENCIES_IMPL_ANDROID_H_