Add missing includes

There are missing includes that are transitively included. But updating
these files requires these missing includes be added.

This CL adds those missing includes.

Change-Id: I3bcf6d894d50cd57a3219e8b7a4ad0c5b83e76c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2353486Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Chris Blume <cblume@chromium.org>
Auto-Submit: Chris Blume <cblume@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797960}

cc/raster/gpu_raster_buffer_provider.h

@@ -6,7 +6,9 @@
 #define CC_RASTER_GPU_RASTER_BUFFER_PROVIDER_H_
 
 #include <stdint.h>
+#include <memory>
 #include <random>
+#include <vector>
 
 #include "base/time/time.h"
 #include "cc/raster/raster_buffer_provider.h"

cc/raster/raster_buffer_provider.h

@@ -6,6 +6,8 @@
 #define CC_RASTER_RASTER_BUFFER_PROVIDER_H_
 
 #include <stddef.h>
+#include <memory>
+#include <vector>
 
 #include "cc/raster/raster_buffer.h"
 #include "cc/raster/raster_source.h"

cc/raster/raster_buffer_provider_unittest.cc

@@ -10,6 +10,7 @@
 #include <algorithm>
 #include <limits>
 #include <memory>
+#include <string>
 #include <type_traits>
 #include <utility>
 #include <vector>