Make cc::CompositorFrames movable [Part 1 of 2]

content/browser/devtools/render_frame_devtools_agent_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 
 #include <tuple>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 850 matching lines @@
   }
   return false;
 }
 
 void RenderFrameDevToolsAgentHost::OnSwapCompositorFrame(
     const IPC::Message& message) {
   ViewHostMsg_SwapCompositorFrame::Param param;
   if (!ViewHostMsg_SwapCompositorFrame::Read(&message, &param))
     return;
   if (page_handler_)
-    page_handler_->OnSwapCompositorFrame(std::get<1>(param).metadata);
+    page_handler_->OnSwapCompositorFrame(
+        std::move(std::get<1>(param).metadata));
   if (input_handler_)
     input_handler_->OnSwapCompositorFrame(std::get<1>(param).metadata);
   if (frame_trace_recorder_ && tracing_handler_->did_initiate_recording()) {
     frame_trace_recorder_->OnSwapCompositorFrame(
         current_ ? current_->host() : nullptr, std::get<1>(param).metadata);
   }
 }
 
 void RenderFrameDevToolsAgentHost::SynchronousSwapCompositorFrame(
-    const cc::CompositorFrameMetadata& frame_metadata) {
+    cc::CompositorFrameMetadata frame_metadata) {
   if (page_handler_)
-    page_handler_->OnSynchronousSwapCompositorFrame(frame_metadata);
+    page_handler_->OnSynchronousSwapCompositorFrame(std::move(frame_metadata));
   if (input_handler_)
     input_handler_->OnSwapCompositorFrame(frame_metadata);
   if (frame_trace_recorder_ && tracing_handler_->did_initiate_recording()) {
     frame_trace_recorder_->OnSynchronousSwapCompositorFrame(
         current_ ? current_->host() : nullptr,
         frame_metadata);
   }
 }
 
 void RenderFrameDevToolsAgentHost::OnDispatchOnInspectorFrontend(
@@ skipping 27 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content