Remove dependencies on third_party/adobe/flash

As far as I can tell, the actual header is no longer used anywhere.
This completes decoupling the flapper targets from the build tree,
so they are removed.

Bug: 1064651
Change-Id: I18996e13c3dbf9df097b3b964e2b0d2113cfef1b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2613324Reviewed-by: Tommy Li <tommycli@chromium.org>
Reviewed-by: Anthony LaForge <laforge@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Joshua Pawlicki <waffles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841111}

chrome/BUILD.gn

@@ -305,13 +305,6 @@ if (!is_android && !is_mac) {
     # The step's output are needed at runtime, so we also need a data_dep.
     data_deps += [ ":packed_resources" ]
 
-    # Only ChromeOS has precompiled Flash that needs to get copied to the output
-    # directory. On other platforms, Flash is either component-updated only or
-    # not supported at all.
-    if (is_chromeos_ash) {
-      deps += [ "//third_party/adobe/flash:flapper_binaries" ]
-    }
-
     # ChromeOS by design is safe to have rpath=$ORIGIN. This simplifies shared
     # library usage.
     if (is_chromeos_ash && !is_component_build) {

chrome/browser/BUILD.gn

@@ -6061,7 +6061,6 @@ static_library("browser") {
       "//ppapi/host",
       "//ppapi/proxy:ipc",
       "//services/device/public/mojom",
-      "//third_party/adobe/flash:flapper_version_h",
     ]
     if (is_chromeos_ash) {
       deps += [ "//chromeos/cryptohome" ]

chrome/browser/ui/BUILD.gn

@@ -554,7 +554,6 @@ static_library("ui") {
     "//skia",
     "//storage/browser",
     "//storage/common",
-    "//third_party/adobe/flash:flapper_version_h",
     "//third_party/blink/public:buildflags",
     "//third_party/blink/public:resources",
     "//third_party/blink/public/common",

chrome/common/BUILD.gn

@@ -453,7 +453,6 @@ static_library("common") {
       "ppapi_utils.cc",
       "ppapi_utils.h",
     ]
-    public_deps += [ "//third_party/adobe/flash:flapper_version_h" ]
   }
   if (enable_plugins && enable_extensions) {
     sources += [

chrome/common/chrome_content_client.cc

@@ -80,7 +80,6 @@
 
 #if BUILDFLAG(ENABLE_PLUGINS)
 #include "content/public/common/pepper_plugin_info.h"
-#include "flapper_version.h"  // nogncheck  In SHARED_INTERMEDIATE_DIR.
 #include "ppapi/shared_impl/ppapi_permissions.h"  // nogncheck
 #endif
 

third_party/adobe/flash/BUILD.gn

-# Copyright 2014 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.
-
-import("//build/config/chrome_build.gni")
-import("//build/config/chromeos/ui_mode.gni")
-
-if (is_chrome_branded) {
-  if ((is_linux || is_chromeos_lacros) && current_cpu == "x86") {
-    flapper_version_h_file = "symbols/ppapi/linux/flapper_version.h"
-    flapper_binary_files = [
-      "binaries/ppapi/linux/libpepflashplayer.so",
-      "binaries/ppapi/linux/manifest.json",
-    ]
-  } else if ((is_linux || is_chromeos_lacros) && current_cpu == "x64") {
-    flapper_version_h_file = "symbols/ppapi/linux_x64/flapper_version.h"
-    flapper_binary_files = [
-      "binaries/ppapi/linux_x64/libpepflashplayer.so",
-      "binaries/ppapi/linux_x64/manifest.json",
-    ]
-  } else if (is_mac && current_cpu == "x86") {
-    flapper_version_h_file = "symbols/ppapi/mac/flapper_version.h"
-    flapper_binary_files = [
-      "binaries/ppapi/mac/PepperFlashPlayer.plugin",
-      "binaries/ppapi/mac/manifest.json",
-    ]
-  } else if (is_mac && current_cpu == "x64") {
-    flapper_version_h_file = "symbols/ppapi/mac_64/flapper_version.h"
-    flapper_binary_files = [
-      "binaries/ppapi/mac_64/PepperFlashPlayer.plugin",
-      "binaries/ppapi/mac_64/manifest.json",
-    ]
-  } else if (is_win && current_cpu == "x86") {
-    flapper_version_h_file = "symbols/ppapi/win/flapper_version.h"
-    flapper_binary_files = [
-      "binaries/ppapi/win/pepflashplayer.dll",
-      "binaries/ppapi/win/manifest.json",
-    ]
-  } else if (is_win && current_cpu == "x64") {
-    flapper_version_h_file = "symbols/ppapi/win_x64/flapper_version.h"
-    flapper_binary_files = [
-      "binaries/ppapi/win_x64/pepflashplayer.dll",
-      "binaries/ppapi/win_x64/manifest.json",
-    ]
-  } else {
-    flapper_version_h_file = "flapper_version.h"
-    flapper_binary_files = []
-  }
-} else {
-  flapper_version_h_file = "flapper_version.h"
-  flapper_binary_files = []
-}
-
-copy("flapper_version_h") {
-  sources = [ flapper_version_h_file ]
-  outputs = [ "$root_gen_dir/{{source_file_part}}" ]
-}
-
-if (flapper_binary_files == []) {
-  group("flapper_binaries") {
-    # NOP
-  }
-} else {
-  copy("flapper_binaries") {
-    sources = flapper_binary_files
-    outputs = [ "$root_out_dir/PepperFlash/{{source_file_part}}" ]
-  }
-}