Expose Blimp dependencies to the embedder

blimp/client/support/compositor/blimp_context_provider.h

Index: blimp/client/support/compositor/blimp_context_provider.h
diff --git a/blimp/client/feature/compositor/blimp_context_provider.h b/blimp/client/support/compositor/blimp_context_provider.h
similarity index 85%
rename from blimp/client/feature/compositor/blimp_context_provider.h
rename to blimp/client/support/compositor/blimp_context_provider.h
index 7d8011712d7c89ce4c0d7d739f8e853754ce48a4..034caf23623e5749281ed3f41adde2060498eb99 100644
--- a/blimp/client/feature/compositor/blimp_context_provider.h
+++ b/blimp/client/support/compositor/blimp_context_provider.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_CONTEXT_PROVIDER_H_
-#define BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_CONTEXT_PROVIDER_H_
+#ifndef BLIMP_CLIENT_SUPPORT_COMPOSITOR_BLIMP_CONTEXT_PROVIDER_H_
+#define BLIMP_CLIENT_SUPPORT_COMPOSITOR_BLIMP_CONTEXT_PROVIDER_H_
 
 #include <stdint.h>
 
@@ -43,10 +43,6 @@ class BlimpContextProvider : public cc::ContextProvider {
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
 
-  // Gives the GL internal format that should be used for calling CopyTexImage2D
-  // on the default framebuffer.
-  uint32_t GetCopyTextureInternalFormat();
-
  protected:
   BlimpContextProvider(gfx::AcceleratedWidget widget,
                        gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager);
@@ -69,4 +65,4 @@ class BlimpContextProvider : public cc::ContextProvider {
 }  // namespace client
 }  // namespace blimp
 
-#endif  // BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_CONTEXT_PROVIDER_H_
+#endif  // BLIMP_CLIENT_SUPPORT_COMPOSITOR_BLIMP_CONTEXT_PROVIDER_H_