Clear shader disk cache after glProgramBinary failure.

gpu/command_buffer/service/memory_program_cache_unittest.cc

Index: gpu/command_buffer/service/memory_program_cache_unittest.cc
diff --git a/gpu/command_buffer/service/memory_program_cache_unittest.cc b/gpu/command_buffer/service/memory_program_cache_unittest.cc
index b6e157730c3b71b3a6970e36de4b962599d1fbb3..61726ed969b87ace34f9af2e1383d1e044d73f0f 100644
--- a/gpu/command_buffer/service/memory_program_cache_unittest.cc
+++ b/gpu/command_buffer/service/memory_program_cache_unittest.cc
@@ -10,6 +10,7 @@
 #include <memory>
 
 #include "base/bind.h"
+#include "gpu/command_buffer/common/activity_flags.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/gpu_service_test.h"
@@ -77,8 +78,10 @@ class MemoryProgramCacheTest : public GpuServiceTest {
   static const GLuint kFragmentShaderServiceId = 100;
 
   MemoryProgramCacheTest()
-      : cache_(new MemoryProgramCache(kCacheSizeBytes, kDisableGpuDiskCache,
-                                      kDisableCachingForTransformFeedback)),
+      : cache_(new MemoryProgramCache(kCacheSizeBytes,
+                                      kDisableGpuDiskCache,
+                                      kDisableCachingForTransformFeedback,
+                                      &activity_flags_)),
         shader_manager_(nullptr),
         vertex_shader_(nullptr),
         fragment_shader_(nullptr),
@@ -186,6 +189,7 @@ class MemoryProgramCacheTest : public GpuServiceTest {
                 .WillOnce(SetArgPointee<2>(GL_FALSE));
   }
 
+  GpuProcessActivityFlags activity_flags_;
   std::unique_ptr<MemoryProgramCache> cache_;
   ShaderManager shader_manager_;
   Shader* vertex_shader_;
@@ -551,8 +555,8 @@ TEST_F(MemoryProgramCacheTest, LoadFailIfTransformFeedbackCachingDisabled) {
 
   // Forcibly reset the program cache so we can disable caching of
   // programs which include transform feedback varyings.
-  cache_.reset(new MemoryProgramCache(
-      kCacheSizeBytes, kDisableGpuDiskCache, true));
+  cache_.reset(new MemoryProgramCache(kCacheSizeBytes, kDisableGpuDiskCache,
+                                      true, &activity_flags_));
   varyings_.push_back("test");
   cache_->SaveLinkedProgram(kProgramId,
                             vertex_shader_,