refactor: mojofy zoom api (#18608)

* refactor: mojofy zoom api

* remove unneeded #includes

* remove outdated comment

atom/common/api/api.mojom

@@ -59,4 +59,9 @@ interface ElectronBrowser {
 
   UpdateDraggableRegions(
     array<DraggableRegion> regions);
+
+  SetTemporaryZoomLevel(double zoom_level);
+
+  [Sync]
+  DoGetZoomLevel() => (double result);
 };

atom/common/api/api_messages.h

@@ -7,15 +7,9 @@
 #include "base/strings/string16.h"
 #include "base/values.h"
 #include "content/public/common/common_param_traits.h"
-#include "content/public/common/referrer.h"
 #include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_platform_file.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
-#include "url/gurl.h"
-
-// The message starter should be declared in ipc/ipc_message_start.h. Since
-// we don't want to patch Chromium, we just pretend to be Content Shell.
 
 #define IPC_MESSAGE_START ElectronMsgStart
 
@@ -31,11 +25,3 @@ IPC_MESSAGE_ROUTED1(AtomAutofillFrameMsg_AcceptSuggestion,
 
 // Update renderer process preferences.
 IPC_MESSAGE_CONTROL1(AtomMsg_UpdatePreferences, base::ListValue)
-
-// Sent by renderer to set the temporary zoom level.
-IPC_SYNC_MESSAGE_ROUTED1_1(AtomFrameHostMsg_SetTemporaryZoomLevel,
-                           double /* zoom level */,
-                           double /* result */)
-
-// Sent by renderer to get the zoom level.
-IPC_SYNC_MESSAGE_ROUTED0_1(AtomFrameHostMsg_GetZoomLevel, double /* result */)