[Command buffer] It is unnecessary to set clear_state_dirty when image content changed

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 8fe53bb2e6e7224ab189f047ca8c50404a1f3378..0b826e04aba68ffed9f5d97434c07b843ce02ccd 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -13470,10 +13470,6 @@ error::Error GLES2DecoderImpl::DoCompressedTexImage(
     return error::kNoError;
   }
 
-  if (texture->IsAttachedToFramebuffer()) {
-    framebuffer_state_.clear_state_dirty = true;
-  }
-
   std::unique_ptr<int8_t[]> zero;
   if (!state_.bound_pixel_unpack_buffer && !data) {
     zero.reset(new int8_t[image_size]);
@@ -14077,10 +14073,6 @@ void GLES2DecoderImpl::DoCopyTexImage2D(
   ScopedResolvedFramebufferBinder binder(this, false, true);
   gfx::Size size = GetBoundReadFramebufferSize();
 
-  if (texture->IsAttachedToFramebuffer()) {
-    framebuffer_state_.clear_state_dirty = true;
-  }
-
   bool requires_luma_blit =
       CopyTexImageResourceManager::CopyTexImageRequiresBlit(feature_info_.get(),
                                                             format);
@@ -16909,9 +16901,6 @@ void GLES2DecoderImpl::TexStorageImpl(GLenum target,
     return;
   }
   Texture* texture = texture_ref->texture();
-  if (texture->IsAttachedToFramebuffer()) {
-    framebuffer_state_.clear_state_dirty = true;
-  }
   if (texture->IsImmutable()) {
     LOCAL_SET_GL_ERROR(
         GL_INVALID_OPERATION, function_name, "texture is immutable");