Remove PlatformCanvas::GetBitmapContext()

skia/BUILD.gn

 # Copyright (c) 2013 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/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//printing/features/features.gni")
 import("//testing/test.gni")
 import("//third_party/skia/gn/shared_sources.gni")
@@ skipping 185 matching lines @@
     "ext/analysis_canvas.cc",
     "ext/benchmarking_canvas.cc",
     "ext/convolver.cc",
     "ext/event_tracer_impl.cc",
     "ext/fontmgr_default_linux.cc",
     "ext/fontmgr_default_win.cc",
     "ext/google_logging.cc",
     "ext/image_operations.cc",
     "ext/opacity_filter_canvas.cc",
     "ext/platform_device.cc",
-    "ext/platform_device_linux.cc",
-    "ext/platform_device_mac.cc",
-    "ext/platform_device_win.cc",
     "ext/recursive_gaussian_convolution.cc",
     "ext/skia_histogram.cc",
     "ext/skia_memory_dump_provider.cc",
     "ext/skia_trace_memory_dump_impl.cc",
     "ext/skia_utils_base.cc",
     "ext/skia_utils_ios.h",
     "ext/skia_utils_ios.mm",
     "ext/skia_utils_mac.mm",
     "ext/skia_utils_win.cc",
   ]
@@ skipping 194 matching lines @@
     deps += [
       "//build/linux:fontconfig",
       "//build/linux:freetype2",
       "//third_party/expat",
       "//third_party/icu:icuuc",
     ]
   }
 
   if (is_android) {
     set_sources_assignment_filter([])
-    sources += [ "ext/platform_device_linux.cc" ]
     set_sources_assignment_filter(sources_assignment_filter)
     deps += [
       "//third_party/android_tools:cpu_features",
       "//third_party/expat",
       "//third_party/freetype-android:freetype",
     ]
   }
 
   if (skia_support_pdf) {
     deps += [
@@ skipping 282 matching lines @@
 
     deps = [
       ":skia",
       "//base",
       "//base/test:test_support",
       "//build/config/sanitizers:deps",
       "//build/win:default_exe_manifest",
     ]
   }
 }