viz: Separate SharedImageInterface in Process from CommandBuffer

Refactor the SharedImageInterface inside InProcessCommandBuffer so that
it could be used for other Viz in process cases. Mainly this will help
set up to use viz::BufferQueue for SkiaRenderer.

R=ericrk
Bug: 1042538

Change-Id: If2e5486d68d38452975fe035a5de59a06bc0a3e6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1998283
Commit-Queue: weiliangc <weiliangc@chromium.org>
Reviewed-by: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734309}

gpu/ipc/BUILD.gn

@@ -19,6 +19,8 @@ component("gl_in_process_context") {
     "in_process_command_buffer.h",
     "scheduler_sequence.cc",
     "scheduler_sequence.h",
+    "shared_image_interface_in_process.cc",
+    "shared_image_interface_in_process.h",
     "single_task_sequence.h",
   ]
 
@@ -66,9 +68,7 @@ component("gpu_thread_holder") {
 
   defines = [ "IS_GPU_THREAD_HOLDER_IMPL" ]
 
-  public_deps = [
-    "//gpu/config",
-  ]
+  public_deps = [ "//gpu/config" ]
 
   deps = [
     ":gl_in_process_context",