Remove BLINK_ASSERT() and BLINK_ASSERT_NOT_REACHED() macros.

third_party/WebKit/public/platform/WebProcessMemoryDump.h

Index: third_party/WebKit/public/platform/WebProcessMemoryDump.h
diff --git a/third_party/WebKit/public/platform/WebProcessMemoryDump.h b/third_party/WebKit/public/platform/WebProcessMemoryDump.h
index 432ab947b0d9a0d11303de1f9e7ade675a2b647f..6e71cc009d31c2dfe1b6a98a2e3294c869468802 100644
--- a/third_party/WebKit/public/platform/WebProcessMemoryDump.h
+++ b/third_party/WebKit/public/platform/WebProcessMemoryDump.h
@@ -42,41 +42,23 @@ public:
     // |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 guid)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-        return nullptr;
-    }
-
-    virtual WebMemoryAllocatorDump* createMemoryAllocatorDump(const WebString& absoluteName)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-        return nullptr;
-    }
+    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
-    {
-        BLINK_ASSERT_NOT_REACHED();
-        return nullptr;
-    }
+    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()
-    {
-        BLINK_ASSERT_NOT_REACHED();
-    }
+    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)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-    }
+    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
@@ -84,25 +66,16 @@ public:
     // 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)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-    }
+    virtual void addOwnershipEdge(WebMemoryAllocatorDumpGuid source, WebMemoryAllocatorDumpGuid target, int importance) = 0;
 
-    virtual void addOwnershipEdge(WebMemoryAllocatorDumpGuid source, WebMemoryAllocatorDumpGuid target)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-    }
+    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)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-    }
+    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
@@ -111,24 +84,13 @@ public:
     // 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)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-        return nullptr;
-    }
-
-    virtual blink::WebMemoryAllocatorDump* createDiscardableMemoryAllocatorDump(const std::string& name, base::DiscardableMemory* discardable)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-        return nullptr;
-    }
+    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::AddHeapDump.
-    virtual void dumpHeapUsage(const base::hash_map<base::trace_event::AllocationContext, size_t>& bytesByContext, base::trace_event::TraceEventMemoryOverhead& overhead, const char* allocatorName)
-    {
-        BLINK_ASSERT_NOT_REACHED();
-    }
+    virtual void dumpHeapUsage(const base::hash_map<base::trace_event::AllocationContext, size_t>& bytesByContext, base::trace_event::TraceEventMemoryOverhead&, const char* allocatorName) = 0;
 };
 
 } // namespace blink