Enable ANGLE workaround for For and While loops bug on Intel MacOSX

BUG=644669
TEST=deqp/functional/gles3/shaderloop_for/while.html
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2319023002
Cr-Commit-Position: refs/heads/master@{#419059}

gpu/command_buffer/service/gles2_cmd_decoder.cc

@@ -3725,6 +3725,8 @@ bool GLES2DecoderImpl::InitializeShaderTranslator() {
     driver_bug_workarounds |= SH_EMULATE_ABS_INT_FUNCTION;
   if (workarounds().rewrite_texelfetchoffset_to_texelfetch)
     driver_bug_workarounds |= SH_REWRITE_TEXELFETCHOFFSET_TO_TEXELFETCH;
+  if (workarounds().add_and_true_to_loop_condition)
+    driver_bug_workarounds |= SH_ADD_AND_TRUE_TO_LOOP_CONDITION;
 
   resources.WEBGL_debug_shader_precision =
       group_->gpu_preferences().emulate_shader_precision;

gpu/config/gpu_driver_bug_list_json.cc

@@ -19,7 +19,7 @@ const char kGpuDriverBugListJson[] = LONG_STRING_CONST(
 {
   "name": "gpu driver bug list",
   // Please update the version number whenever you change this file.
-  "version": "8.97",
+  "version": "8.98",
   "entries": [
     {
       "id": 1,
@@ -1976,6 +1976,18 @@ LONG_STRING_CONST(
       "features": [
         "disable_dxgi_zero_copy_video"
       ]
+    },
+    {
+      "id": 186,
+      "description": "Rewrite condition in for and while loops for Intel Mac",
+      "cr_bugs": [644669],
+      "os": {
+        "type": "macosx"
+      },
+      "vendor_id": "0x8086",
+      "features": [
+        "add_and_true_to_loop_condition"
+      ]
     }
   ]
   // Please update the version number at beginning of this file whenever you

gpu/config/gpu_driver_bug_workaround_type.h

@@ -131,6 +131,8 @@
          restore_scissor_on_fbo_change)                      \
   GPU_OP(REVERSE_POINT_SPRITE_COORD_ORIGIN,                  \
          reverse_point_sprite_coord_origin)                  \
+  GPU_OP(ADD_AND_TRUE_TO_LOOP_CONDITION,                     \
+         add_and_true_to_loop_condition)                     \
   GPU_OP(REWRITE_TEXELFETCHOFFSET_TO_TEXELFETCH,             \
          rewrite_texelfetchoffset_to_texelfetch)             \
   GPU_OP(SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS,             \