Clear shader disk cache after glProgramBinary failure.

gpu/command_buffer/service/memory_program_cache.cc

Index: gpu/command_buffer/service/memory_program_cache.cc
diff --git a/gpu/command_buffer/service/memory_program_cache.cc b/gpu/command_buffer/service/memory_program_cache.cc
index b24cbd7e42f74149e8d804f9ad973b165c91a95b..4ccef690d6dc10e60568dc88f889317238bbff3f 100644
--- a/gpu/command_buffer/service/memory_program_cache.cc
+++ b/gpu/command_buffer/service/memory_program_cache.cc
@@ -18,6 +18,7 @@
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/shader_manager.h"
+#include "gpu/ipc/common/activity_flags.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace gpu {
@@ -263,10 +264,14 @@ ProgramCache::ProgramLoadResult MemoryProgramCache::LoadLinkedProgram(
     return PROGRAM_LOAD_FAILURE;
   }
   const scoped_refptr<ProgramCacheValue> value = found->second;
+  GpuProcessActivityFlags::GetInstance()->SetFlag(
+      ActivityFlagsBase::FLAG_LOADING_PROGRAM_BINARY);
   glProgramBinary(program,
                   value->format(),
                   static_cast<const GLvoid*>(value->data()),
                   value->length());
+  GpuProcessActivityFlags::GetInstance()->UnsetFlag(
+      ActivityFlagsBase::FLAG_LOADING_PROGRAM_BINARY);
   GLint success = 0;
   glGetProgramiv(program, GL_LINK_STATUS, &success);
   if (success == GL_FALSE) {