[devtools] Support different encodings for Page.CaptureScreenshot.

ui/snapshot/snapshot_ios.mm

Index: ui/snapshot/snapshot_ios.mm
diff --git a/ui/snapshot/snapshot_ios.mm b/ui/snapshot/snapshot_ios.mm
index d75f204fe8dc18897cbd96c0db4820341db2d645..1b06557b12789230a0b257c490082a84137336a3 100644
--- a/ui/snapshot/snapshot_ios.mm
+++ b/ui/snapshot/snapshot_ios.mm
@@ -12,14 +12,18 @@ namespace ui {
 
 bool GrabViewSnapshot(gfx::NativeView view,
                       std::vector<unsigned char>* png_representation,
-                      const gfx::Rect& snapshot_bounds) {
+                      const gfx::Rect& snapshot_bounds,
+                      SnapshotEncoding encoding,
+                      SnapshotQuality quality) {
   // TODO(bajones): Implement iOS snapshot functionality
   return false;
 }
 
 bool GrabWindowSnapshot(gfx::NativeWindow window,
                         std::vector<unsigned char>* png_representation,
-                        const gfx::Rect& snapshot_bounds) {
+                        const gfx::Rect& snapshot_bounds,
+                        SnapshotEncoding encoding,
+                        SnapshotQuality quality) {
   // TODO(bajones): Implement iOS snapshot functionality
   return false;
 }
@@ -37,7 +41,9 @@ void GrabViewSnapshotAsync(
     gfx::NativeView view,
     const gfx::Rect& source_rect,
     scoped_refptr<base::TaskRunner> background_task_runner,
-    const GrabWindowSnapshotAsyncPNGCallback& callback) {
+    const GrabWindowSnapshotAsyncEncodedCallback& callback,
+    SnapshotEncoding encoding,
+    SnapshotQuality quality) {
   callback.Run(scoped_refptr<base::RefCountedBytes>());
 }
 
@@ -45,7 +51,9 @@ void GrabWindowSnapshotAsync(
     gfx::NativeWindow window,
     const gfx::Rect& source_rect,
     scoped_refptr<base::TaskRunner> background_task_runner,
-    const GrabWindowSnapshotAsyncPNGCallback& callback) {
+    const GrabWindowSnapshotAsyncEncodedCallback& callback,
+    SnapshotEncoding encoding,
+    SnapshotQuality quality) {
   callback.Run(scoped_refptr<base::RefCountedBytes>());
 }