Update from https://crrev.com/316786

gpu/command_buffer/service/common_decoder.h

Index: gpu/command_buffer/service/common_decoder.h
diff --git a/gpu/command_buffer/service/common_decoder.h b/gpu/command_buffer/service/common_decoder.h
index fc9ecf22433266fe4351b7a07e959a09437e3626..53de875625ad33e88d6751514a22c46525cd8102 100644
--- a/gpu/command_buffer/service/common_decoder.h
+++ b/gpu/command_buffer/service/common_decoder.h
@@ -14,6 +14,10 @@
 #include "gpu/command_buffer/service/cmd_parser.h"
 #include "gpu/gpu_export.h"
 
+// Forwardly declare a few GL types to avoid including GL header files.
+typedef int GLsizei;
+typedef int GLint;
+
 namespace gpu {
 
 class CommandBufferEngine;
@@ -82,6 +86,13 @@ class GPU_EXPORT CommonDecoder : NON_EXPORTED_BASE(public AsyncAPIInterface) {
     // is no string.
     bool GetAsString(std::string* str);
 
+    // Gets the bucket data as strings.
+    // On success, the number of strings are in |_count|, the string data are
+    // in |_string|, and string sizes are in |_length|..
+    bool GetAsStrings(GLsizei* _count,
+                      std::vector<char*>* _string,
+                      std::vector<GLint>* _length);
+
    private:
     bool OffsetSizeValid(size_t offset, size_t size) const {
       size_t temp = offset + size;