Stop shipping snapshot_blob.bin

Shipping both snapshot_blob.bin and v8_context_snapshot.bin is
unnecessary, and v8_context_snapshot.bin is available on all
supported platforms. Chrome stopped shipping snapshot_blob.bin
in https://crrev.com/b550792f0f (~M66).

BUILD.gn

@@ -1525,14 +1525,14 @@ if (is_mac) {
     sources += [ "//ui/gl/resources/angle-metal/gpu_shader_cache.bin" ]
 
     if (v8_use_external_startup_data) {
-      sources += [
-        "$root_out_dir/snapshot_blob.bin",
-      ]
       public_deps += [ "//v8" ]
       if (use_v8_context_snapshot) {
-        sources += [ "$root_out_dir/$v8_context_snapshot_filename" ]
+        sources += [ "$root_build_dir/$v8_context_snapshot_filename" ]
         public_deps += [ "//tools/v8_context_snapshot" ]
       }
+      if (!use_v8_context_snapshot || include_both_v8_snapshots) {
+        sources += [ "$root_build_dir/snapshot_blob.bin" ]
+      }
     }
 
     outputs = [

cmake/cef_variables.cmake.in

@@ -236,7 +236,6 @@ if(OS_LINUX)
     libGLESv2.so
     libvk_swiftshader.so
     libvulkan.so.1
-    snapshot_blob.bin
     v8_context_snapshot.bin
     vk_swiftshader_icd.json
     )
@@ -564,7 +563,6 @@ if(OS_WINDOWS)
     libcef.dll
     libEGL.dll
     libGLESv2.dll
-    snapshot_blob.bin
     v8_context_snapshot.bin
     vk_swiftshader.dll
     vk_swiftshader_icd.json

tools/distrib/bazel/BUILD.bazel

@@ -249,7 +249,6 @@ filegroup(
 filegroup(
     name = "resources_opt",
     srcs = [
-        "Release/snapshot_blob.bin",
         "Release/v8_context_snapshot.bin",
         "Release/vk_swiftshader_icd.json",
         "@cef//:resources_common",
@@ -259,7 +258,6 @@ filegroup(
 filegroup(
     name = "resources_dbg",
     srcs = [
-        "Debug/snapshot_blob.bin",
         "Debug/v8_context_snapshot.bin",
         "Debug/vk_swiftshader_icd.json",
         "@cef//:resources_common",

tools/distrib/linux/README.redistrib.txt

@@ -14,7 +14,6 @@ The following components are required. CEF will not function without them.
   * icudtl.dat
 
 * V8 snapshot data.
-  * snapshot_blob.bin
   * v8_context_snapshot.bin
 
 Optional components:

tools/distrib/mac/README.redistrib.txt

@@ -25,7 +25,7 @@ cefclient.app/
           resources.pak          <=^
           gpu_shader_cache.bin <= ANGLE-Metal shader cache
           icudtl.dat <= unicode support
-          snapshot_blob.bin, v8_context_snapshot.[x86_64|arm64].bin <= V8 initial snapshot
+          v8_context_snapshot.[x86_64|arm64].bin <= V8 initial snapshot
           en.lproj/, ... <= locale-specific resources and strings
           Info.plist
       cefclient Helper.app/
@@ -63,7 +63,6 @@ The following components are required. CEF will not function without them.
   * Chromium Embedded Framework.framework/Resources/icudtl.dat
 
 * V8 snapshot data.
-  * Chromium Embedded Framework.framework/Resources/snapshot_blob.bin
   * Chromium Embedded Framework.framework/Resources/v8_context_snapshot.bin
 
 Optional components:

tools/distrib/win/README.redistrib.txt

@@ -17,7 +17,6 @@ The following components are required. CEF will not function without them.
   * icudtl.dat
 
 * V8 snapshot data.
-  * snapshot_blob.bin
   * v8_context_snapshot.bin
 
 Optional components:

tools/make_distrib.py

@@ -1108,8 +1108,7 @@ elif platform == 'windows':
       {'path': libcef_dll},
       {'path': 'libEGL.dll'},
       {'path': 'libGLESv2.dll'},
-      {'path': 'snapshot_blob.bin', 'conditional': True},
+      {'path': 'v8_context_snapshot.bin'},
-      {'path': 'v8_context_snapshot.bin', 'conditional': True},
       {'path': 'vk_swiftshader.dll'},
       {'path': 'vk_swiftshader_icd.json'},
       {'path': 'vulkan-1.dll'},
@@ -1432,8 +1431,7 @@ elif platform == 'linux':
       {'path': 'libGLESv2.so'},
       {'path': 'libvk_swiftshader.so'},
       {'path': 'libvulkan.so.1'},
-      {'path': 'snapshot_blob.bin', 'conditional': True},
+      {'path': 'v8_context_snapshot.bin'},
-      {'path': 'v8_context_snapshot.bin', 'conditional': True},
       {'path': 'vk_swiftshader_icd.json'},
   ]
   # yapf: enable