Remove abstract classes for memory dumper

third_party/WebKit/Source/platform/WebProcessMemoryDump.h

Index: third_party/WebKit/Source/platform/WebProcessMemoryDump.h
diff --git a/third_party/WebKit/Source/platform/WebProcessMemoryDump.h b/third_party/WebKit/Source/platform/WebProcessMemoryDump.h
deleted file mode 100644
index d8f8e845dba9dbb0d447d97d7535f614a2fdda1d..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/platform/WebProcessMemoryDump.h
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef WebProcessMemoryDump_h
-#define WebProcessMemoryDump_h
-
-#include "base/trace_event/heap_profiler_allocation_context.h"
-#include "platform/WebMemoryAllocatorDump.h"
-#include "public/platform/WebCommon.h"
-#include "public/platform/WebString.h"
-
-class SkTraceMemoryDump;
-
-namespace base {
-
-class DiscardableMemory;
-
-namespace trace_event {
-
-class ProcessMemoryDump;
-class TraceEventMemoryOverhead;
-
-} // namespace trace_event
-} // namespace base
-
-namespace blink {
-
-// Used to specify the type of memory dump the WebProcessMemoryDump should
-// generate on dump requests.
-// TODO(hajimehoshi): Remove this and use base::trace_event::
-// MemoryDumpLevelOfDetail instead.
-enum class WebMemoryDumpLevelOfDetail {
-    Light,
-    Detailed
-};
-
-// A container which holds all the dumps for the various allocators for a given
-// process. Embedders of WebMemoryDumpProvider are expected to populate a
-// WebProcessMemoryDump instance with the stats of their allocators.
-class BLINK_PLATFORM_EXPORT WebProcessMemoryDump {
-public:
-    virtual ~WebProcessMemoryDump();
-
-    // Creates a new MemoryAllocatorDump with the given name and returns the
-    // empty object back to the caller. |absoluteName| uniquely identifies the
-    // dump within the scope of a ProcessMemoryDump. It is possible to express
-    // nesting by means of a slash-separated path naming (e.g.,
-    // "allocator_name/arena_1/subheap_X").
-    // |guid| is  an optional identifier, unique among all processes within the
-    // scope of a global dump. This is only relevant when using
-    // addOwnershipEdge(). If omitted, it will be automatically generated.
-    virtual WebMemoryAllocatorDump* createMemoryAllocatorDump(const WebString& absoluteName, WebMemoryAllocatorDumpGuid) = 0;
-
-    virtual WebMemoryAllocatorDump* createMemoryAllocatorDump(const WebString& absoluteName) = 0;
-
-    // Gets a previously created MemoryAllocatorDump given its name.
-    virtual WebMemoryAllocatorDump* getMemoryAllocatorDump(const WebString& absoluteName) const = 0;
-
-    // Removes all the WebMemoryAllocatorDump(s) contained in this instance.
-    // This WebProcessMemoryDump can be safely reused as if it was new once this
-    // method returns.
-    virtual void clear() = 0;
-
-    // Merges all WebMemoryAllocatorDump(s) contained in |other| inside this
-    // WebProcessMemoryDump, transferring their ownership to this instance.
-    // |other| will be an empty WebProcessMemoryDump after this method returns
-    // and can be reused as if it was new.
-    virtual void takeAllDumpsFrom(WebProcessMemoryDump* other) = 0;
-
-    // Adds an ownership relationship between two MemoryAllocatorDump(s) with
-    // the semantics: |source| owns |target|, and has the effect of attributing
-    // the memory usage of |target| to |source|. |importance| is optional and
-    // relevant only for the cases of co-ownership, where it acts as a z-index:
-    // the owner with the highest importance will be attributed |target|'s
-    // memory.
-    virtual void addOwnershipEdge(WebMemoryAllocatorDumpGuid source, WebMemoryAllocatorDumpGuid target, int importance) = 0;
-
-    virtual void addOwnershipEdge(WebMemoryAllocatorDumpGuid source, WebMemoryAllocatorDumpGuid target) = 0;
-
-    // Utility method to add a suballocation relationship with the following
-    // semantics: |source| is suballocated from |target_node_name|.
-    // This creates a child node of |target_node_name| and adds an ownership
-    // edge between |source| and the new child node. As a result, the UI will
-    // not account the memory of |source| in the target node.
-    virtual void addSuballocation(WebMemoryAllocatorDumpGuid source, const WebString& targetNodeName) = 0;
-
-    // Returns the SkTraceMemoryDump proxy interface that can be passed to Skia
-    // to dump into this WebProcessMemoryDump. Multiple SkTraceMemoryDump
-    // objects can be created using this method. The created dumpers are owned
-    // by WebProcessMemoryDump and cannot outlive the WebProcessMemoryDump
-    // object owning them. |dumpNamePrefix| is prefix appended to each dump
-    // created by the SkTraceMemoryDump implementation, if the dump should be
-    // placed under different namespace and not "skia".
-    virtual SkTraceMemoryDump* createDumpAdapterForSkia(const WebString& dumpNamePrefix) = 0;
-
-    virtual blink::WebMemoryAllocatorDump* createDiscardableMemoryAllocatorDump(const std::string& name, base::DiscardableMemory*) = 0;
-
-    // Dumps heap memory usage. |allocatorName| is used as an absolute name for
-    // base::trace_event::ProcessMemoryDump::DumpHeapUsage().
-    virtual void dumpHeapUsage(const base::hash_map<base::trace_event::AllocationContext, base::trace_event::AllocationMetrics>& metricsByContext, base::trace_event::TraceEventMemoryOverhead&, const char* allocatorName) = 0;
-};
-
-} // namespace blink
-
-#endif // WebProcessMemoryDump_h