cc: Replace Pass() with std::move() in some subdirs.

cc/output/copy_output_request.cc

Index: cc/output/copy_output_request.cc
diff --git a/cc/output/copy_output_request.cc b/cc/output/copy_output_request.cc
index fce92a322162b0b66cfa415c967747cef74f3d20..7077457b4fd081e9f3b64c7970b23dc2d90116ce 100644
--- a/cc/output/copy_output_request.cc
+++ b/cc/output/copy_output_request.cc
@@ -24,7 +24,7 @@ scoped_ptr<CopyOutputRequest> CopyOutputRequest::CreateRelayRequest(
   relay->area_ = original_request.area_;
   relay->has_texture_mailbox_ = original_request.has_texture_mailbox_;
   relay->texture_mailbox_ = original_request.texture_mailbox_;
-  return relay.Pass();
+  return relay;
 }
 
 CopyOutputRequest::CopyOutputRequest()
@@ -52,7 +52,7 @@ CopyOutputRequest::~CopyOutputRequest() {
 
 void CopyOutputRequest::SendResult(scoped_ptr<CopyOutputResult> result) {
   bool success = !result->IsEmpty();
-  base::ResetAndReturn(&result_callback_).Run(result.Pass());
+  base::ResetAndReturn(&result_callback_).Run(std::move(result));
   TRACE_EVENT_ASYNC_END1("cc", "CopyOutputRequest", this, "success", success);
 }
 
@@ -61,7 +61,7 @@ void CopyOutputRequest::SendEmptyResult() {
 }
 
 void CopyOutputRequest::SendBitmapResult(scoped_ptr<SkBitmap> bitmap) {
-  SendResult(CopyOutputResult::CreateBitmapResult(bitmap.Pass()).Pass());
+  SendResult(CopyOutputResult::CreateBitmapResult(std::move(bitmap)).Pass());
 }
 
 void CopyOutputRequest::SendTextureResult(
@@ -70,7 +70,7 @@ void CopyOutputRequest::SendTextureResult(
     scoped_ptr<SingleReleaseCallback> release_callback) {
   DCHECK(texture_mailbox.IsTexture());
   SendResult(CopyOutputResult::CreateTextureResult(
-      size, texture_mailbox, release_callback.Pass()));
+      size, texture_mailbox, std::move(release_callback)));
 }
 
 void CopyOutputRequest::SetTextureMailbox(