Clipboard: Remove obsolete pepper format.

Remove dead code. The class previously using this format,
PepperFlashClipboardMessageFilter, has been removed.

Change-Id: If83e3398555ba62eb7c4934c60758e464c6590d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2511410
Commit-Queue: Victor Costan <pwnall@chromium.org>
Auto-Submit: Darwin Huang <huangdarwin@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#822988}

ui/base/clipboard/clipboard_constants.cc

@@ -25,7 +25,6 @@ const char kMimeTypeLinuxText[] = "TEXT";
 #if !defined(OS_APPLE)
 const char kMimeTypeWebCustomData[] = "chromium/x-web-custom-data";
 const char kMimeTypeWebkitSmartPaste[] = "chromium/x-webkit-paste";
-const char kMimeTypePepperCustomData[] = "chromium/x-pepper-custom-data";
 #endif  // defined(OS_APPLE)
 
 #if defined(OS_ANDROID)

ui/base/clipboard/clipboard_constants.h

@@ -52,8 +52,6 @@ COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES)
 extern const char kMimeTypeWebCustomData[];
 COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES)
 extern const char kMimeTypeWebkitSmartPaste[];
-COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES)
-extern const char kMimeTypePepperCustomData[];
 #else
 // MacOS-specific Uniform Type Identifiers.
 
@@ -70,10 +68,6 @@ extern NSString* const kWebCustomDataPboardType;
 COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES)
 extern NSString* const kWebSmartPastePboardType;
 
-// Pepper custom data format type.
-COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES)
-extern NSString* const kPepperCustomDataPboardType;
-
 // Data format used to tag the current data as confidential.
 COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES)
 extern NSString* const kUTTypeConfidentialData;

ui/base/clipboard/clipboard_constants_mac.mm

@@ -12,8 +12,6 @@ NSString* const kImageSvg = @"public.svg-image";
 // TODO(dcheng): This name is temporary. See crbug.com/106449.
 NSString* const kWebCustomDataPboardType = @"org.chromium.web-custom-data";
 NSString* const kWebSmartPastePboardType = @"NeXT smart paste pasteboard type";
-NSString* const kPepperCustomDataPboardType =
-    @"org.chromium.pepper-custom-data";
 
 // It is the common convention on the Mac and on iOS that password managers tag
 // confidential data with the flavor "org.nspasteboard.ConcealedType". Obey this

ui/base/clipboard/clipboard_format_type.h

@@ -62,10 +62,7 @@ class COMPONENT_EXPORT(UI_BASE_CLIPBOARD_TYPES) ClipboardFormatType {
   static const ClipboardFormatType& GetSvgType();
   static const ClipboardFormatType& GetRtfType();
   static const ClipboardFormatType& GetBitmapType();
-  // TODO(raymes): Unify web custom data and pepper custom data:
-  // crbug.com/158399.
   static const ClipboardFormatType& GetWebCustomDataType();
-  static const ClipboardFormatType& GetPepperCustomDataType();
 
 #if defined(OS_WIN)
   // ANSI formats. Only Windows differentiates between ANSI and UNICODE formats

ui/base/clipboard/clipboard_format_type_android.cc

@@ -95,11 +95,4 @@ const ClipboardFormatType& ClipboardFormatType::GetWebCustomDataType() {
   return *type;
 }
 
-// static
-const ClipboardFormatType& ClipboardFormatType::GetPepperCustomDataType() {
-  static base::NoDestructor<ClipboardFormatType> type(
-      kMimeTypePepperCustomData);
-  return *type;
-}
-
 }  // namespace ui

ui/base/clipboard/clipboard_format_type_aura.cc

@@ -98,11 +98,4 @@ const ClipboardFormatType& ClipboardFormatType::GetWebCustomDataType() {
   return *type;
 }
 
-// static
-const ClipboardFormatType& ClipboardFormatType::GetPepperCustomDataType() {
-  static base::NoDestructor<ClipboardFormatType> type(
-      kMimeTypePepperCustomData);
-  return *type;
-}
-
 }  // namespace ui

ui/base/clipboard/clipboard_format_type_mac.mm

@@ -110,11 +110,4 @@ const ClipboardFormatType& ClipboardFormatType::GetWebCustomDataType() {
   return *type;
 }
 
-// static
-const ClipboardFormatType& ClipboardFormatType::GetPepperCustomDataType() {
-  static base::NoDestructor<ClipboardFormatType> type(
-      kPepperCustomDataPboardType);
-  return *type;
-}
-
 }  // namespace ui

ui/base/clipboard/clipboard_format_type_win.cc

@@ -333,11 +333,4 @@ const ClipboardFormatType& ClipboardFormatType::GetWebCustomDataType() {
   return *format;
 }
 
-// static
-const ClipboardFormatType& ClipboardFormatType::GetPepperCustomDataType() {
-  static base::NoDestructor<ClipboardFormatType> format(
-      ::RegisterClipboardFormat(L"Chromium Pepper MIME Data Format"));
-  return *format;
-}
-
 }  // namespace ui