Introduce components/display_compositor

content/browser/renderer_host/delegated_frame_host.cc

Index: content/browser/renderer_host/delegated_frame_host.cc
diff --git a/content/browser/renderer_host/delegated_frame_host.cc b/content/browser/renderer_host/delegated_frame_host.cc
index 60c10005ac273960cdfd3f5c268476719f36295c..e0d27e11f35059754ce330f5d61a26d0e55173d6 100644
--- a/content/browser/renderer_host/delegated_frame_host.cc
+++ b/content/browser/renderer_host/delegated_frame_host.cc
@@ -22,7 +22,7 @@
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_hittest.h"
 #include "cc/surfaces/surface_manager.h"
-#include "content/browser/compositor/gl_helper.h"
+#include "components/display_compositor/gl_helper.h"
 #include "content/browser/compositor/surface_utils.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/resize_lock.h"
@@ -336,7 +336,7 @@ void DelegatedFrameHost::AttemptFrameSubscriberCapture(
   if (!idle_frame_subscriber_textures_.empty()) {
     subscriber_texture = idle_frame_subscriber_textures_.back();
     idle_frame_subscriber_textures_.pop_back();
-  } else if (GLHelper* helper =
+  } else if (display_compositor::GLHelper* helper =
                  ImageTransportFactory::GetInstance()->GetGLHelper()) {
     subscriber_texture = new OwnedMailbox(helper);
   }
@@ -592,7 +592,8 @@ void DelegatedFrameHost::CopyFromCompositingSurfaceFinishedForVideo(
 
   gpu::SyncToken sync_token;
   if (result) {
-    GLHelper* gl_helper = ImageTransportFactory::GetInstance()->GetGLHelper();
+    display_compositor::GLHelper* gl_helper =
+        ImageTransportFactory::GetInstance()->GetGLHelper();
     gl_helper->GenerateSyncToken(&sync_token);
   }
   if (release_callback) {
@@ -666,7 +667,7 @@ void DelegatedFrameHost::CopyFromCompositingSurfaceHasResultForVideo(
   }
 
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
-  GLHelper* gl_helper = factory->GetGLHelper();
+  display_compositor::GLHelper* gl_helper = factory->GetGLHelper();
   if (!gl_helper)
     return;
   if (subscriber_texture.get() && !subscriber_texture->texture_id())
@@ -679,7 +680,7 @@ void DelegatedFrameHost::CopyFromCompositingSurfaceHasResultForVideo(
 
   gfx::Rect result_rect(result->size());
 
-  content::ReadbackYUVInterface* yuv_readback_pipeline =
+  display_compositor::ReadbackYUVInterface* yuv_readback_pipeline =
       dfh->yuv_readback_pipeline_.get();
   if (yuv_readback_pipeline == NULL ||
       yuv_readback_pipeline->scaler()->SrcSize() != result_rect.size() ||
@@ -693,11 +694,11 @@ void DelegatedFrameHost::CopyFromCompositingSurfaceHasResultForVideo(
     // When up-scaling, always use "best" because the quality improvement is
     // huge with insignificant performance penalty.  Note that this strategy
     // differs from single-frame snapshot capture.
-    GLHelper::ScalerQuality quality =
+    display_compositor::GLHelper::ScalerQuality quality =
         ((result_rect.size().width() < region_in_frame.size().width()) &&
          (result_rect.size().height() < region_in_frame.size().height()))
-            ? GLHelper::SCALER_QUALITY_BEST
-            : GLHelper::SCALER_QUALITY_FAST;
+            ? display_compositor::GLHelper::SCALER_QUALITY_BEST
+            : display_compositor::GLHelper::SCALER_QUALITY_FAST;
 
     dfh->yuv_readback_pipeline_.reset(gl_helper->CreateReadbackPipelineYUV(
         quality, result_rect.size(), result_rect, region_in_frame.size(), true,