DevTools: [Android] implement RenderWidgetHostViewAndroid::CopyFromCompositingSurface

content/browser/web_contents/web_contents_view_mac.mm

Index: content/browser/web_contents/web_contents_view_mac.mm
diff --git a/content/browser/web_contents/web_contents_view_mac.mm b/content/browser/web_contents/web_contents_view_mac.mm
index 6a9459d3e95c487ad9d53e0186ca247c2505dc1f..9449220cc157c7d88440e966559b235fc6960ae8 100644
--- a/content/browser/web_contents/web_contents_view_mac.mm
+++ b/content/browser/web_contents/web_contents_view_mac.mm
@@ -27,6 +27,7 @@
 #import "ui/base/cocoa/focus_tracker.h"
 #include "ui/base/dragdrop/cocoa_dnd_util.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
+#include "ui/snapshot/snapshot.h"
 
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
@@ -228,6 +229,17 @@ void WebContentsViewMac::TakeFocus(bool reverse) {
   }
 }
 
+bool WebContentsViewMac::GrabSnapshot(const std::string& format,
+                                      int quality,
+                                      double scale,
+                                      std::vector<uint8>* data) {
+  if (format != "png" || scale != 1) {
+    LOG(ERROR) << "Can only capture non-scaled PNG snapshots.";
+    return false;
+  }
+  return ui::GrabViewSnapshot(GetNativeView(), data, GetViewBounds());
+}
+
 void WebContentsViewMac::ShowContextMenu(const ContextMenuParams& params) {
   // Allow delegates to handle the context menu operation first.
   if (web_contents_->GetDelegate() &&