android: Remove in-process sync compositor code path

content/browser/android/synchronous_compositor_base.cc

Index: content/browser/android/synchronous_compositor_base.cc
diff --git a/content/browser/android/synchronous_compositor_base.cc b/content/browser/android/synchronous_compositor_base.cc
index 967b871ea2a28951d7e24548af8923ebe8f36e12..704018edbb65f70e9440ead9f40ce9133f250d59 100644
--- a/content/browser/android/synchronous_compositor_base.cc
+++ b/content/browser/android/synchronous_compositor_base.cc
@@ -7,7 +7,6 @@
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/supports_user_data.h"
-#include "content/browser/android/in_process/synchronous_compositor_impl.h"
 #include "content/browser/android/synchronous_compositor_host.h"
 #include "content/browser/gpu/gpu_process_host.h"
 #include "content/browser/web_contents/web_contents_android.h"
@@ -65,17 +64,13 @@ std::unique_ptr<SynchronousCompositorBase> SynchronousCompositorBase::Create(
     return nullptr;  // Not using sync compositing.
 
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kIPCSyncCompositing)) {
-    bool async_input =
-        !command_line->HasSwitch(switches::kSyncInputForSyncCompositor);
-    bool use_in_proc_software_draw =
-        command_line->HasSwitch(switches::kSingleProcess);
-    return base::WrapUnique(new SynchronousCompositorHost(
-        rwhva, web_contents_android->synchronous_compositor_client(),
-        async_input, use_in_proc_software_draw));
-  }
-  return base::WrapUnique(new SynchronousCompositorImpl(
-      rwhva, web_contents_android->synchronous_compositor_client()));
+  bool async_input =
+      !command_line->HasSwitch(switches::kSyncInputForSyncCompositor);
+  bool use_in_proc_software_draw =
+      command_line->HasSwitch(switches::kSingleProcess);
+  return base::WrapUnique(new SynchronousCompositorHost(
+      rwhva, web_contents_android->synchronous_compositor_client(), async_input,
+      use_in_proc_software_draw));
 }
 
 }  // namespace content